update version to v2.1.6

2026-05-21 01:12:11 +00:00 · 2023-10-30 11:21:39 +08:00
parent 4dcec715e1
commit bd2ef6c955
354 changed files with 1941 additions and 22247 deletions
--- a/AT32F403A_407_periph_lib_V2.1.6.chm
+++ b/AT32F403A_407_periph_lib_V2.1.6.chm
--- a/document/AT32F403A_407固件库BSP&Pack应用指南.pdf
+++ b/document/AT32F403A_407固件库BSP&Pack应用指南.pdf
--- a/document/ReleaseNotes_AT32F403A_407_Firmware_Library.pdf
+++ b/document/ReleaseNotes_AT32F403A_407_Firmware_Library.pdf
--- a/libraries/cmsis/cm4/device_support/at32f403a_407.h
+++ b/libraries/cmsis/cm4/device_support/at32f403a_407.h
@@ -137,7 +137,7 @@ extern "C" {
    #define AT32F407xE
 #endif

-#if defined (AT32F407RGT7)  || defined (AT32F407VGT7)  || (AT32F407AVGT7)
+#if defined (AT32F407RGT7)  || defined (AT32F407VGT7)  || defined (AT32F407AVGT7)

    #define AT32F407xG
 #endif
@@ -161,7 +161,7 @@ extern "C" {
  */
 #define __AT32F403A_407_LIBRARY_VERSION_MAJOR    (0x02) /*!< [31:24] major version */
 #define __AT32F403A_407_LIBRARY_VERSION_MIDDLE   (0x01) /*!< [23:16] middle version */
-#define __AT32F403A_407_LIBRARY_VERSION_MINOR    (0x05) /*!< [15:8]  minor version */
+#define __AT32F403A_407_LIBRARY_VERSION_MINOR    (0x06) /*!< [15:8]  minor version */
 #define __AT32F403A_407_LIBRARY_VERSION_RC       (0x00) /*!< [7:0]  release candidate */
 #define __AT32F403A_407_LIBRARY_VERSION          ((__AT32F403A_407_LIBRARY_VERSION_MAJOR << 24)  | \
                                                  (__AT32F403A_407_LIBRARY_VERSION_MIDDLE << 16) | \
--- a/libraries/cmsis/cm4/device_support/at32f403a_407_conf_template.h
+++ b/libraries/cmsis/cm4/device_support/at32f403a_407_conf_template.h
@@ -32,22 +32,22 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  * tip: to avoid modifying this file each time you need to use different hext, you
  *      can define the hext value in your toolchain compiler preprocessor.
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/libraries/cmsis/cm4/device_support/system_at32f403a_407.h
+++ b/libraries/cmsis/cm4/device_support/system_at32f403a_407.h
@@ -44,6 +44,10 @@ extern "C" {
 #define HEXT_STABLE_DELAY                (5000u)
 #define PLL_STABLE_DELAY                 (500u)
 #define SystemCoreClock                  system_core_clock
+#define DUMMY_NOP()                      {__NOP();__NOP();__NOP();__NOP();__NOP(); \
+                                          __NOP();__NOP();__NOP();__NOP();__NOP(); \
+                                          __NOP();__NOP();__NOP();__NOP();__NOP(); \
+                                          __NOP();__NOP();__NOP();__NOP();__NOP();}

 /**
  * @}
--- a/libraries/drivers/ReleaseNotes_AT32F403A_407_Firmware_Library_Drivers.pdf
+++ b/libraries/drivers/ReleaseNotes_AT32F403A_407_Firmware_Library_Drivers.pdf
--- a/libraries/drivers/inc/at32f403a_407_acc.h
+++ b/libraries/drivers/inc/at32f403a_407_acc.h
@@ -179,6 +179,7 @@ uint16_t acc_read_c1(void);
 uint16_t acc_read_c2(void);
 uint16_t acc_read_c3(void);
 flag_status acc_flag_get(uint16_t acc_flag);
+flag_status acc_interrupt_flag_get(uint16_t acc_flag);
 void acc_flag_clear(uint16_t acc_flag);

 /**
--- a/libraries/drivers/inc/at32f403a_407_adc.h
+++ b/libraries/drivers/inc/at32f403a_407_adc.h
@@ -619,6 +619,7 @@ uint16_t adc_ordinary_conversion_data_get(adc_type *adc_x);
 uint32_t adc_combine_ordinary_conversion_data_get(void);
 uint16_t adc_preempt_conversion_data_get(adc_type *adc_x, adc_preempt_channel_type adc_preempt_channel);
 flag_status adc_flag_get(adc_type *adc_x, uint8_t adc_flag);
+flag_status adc_interrupt_flag_get(adc_type *adc_x, uint8_t adc_flag);
 void adc_flag_clear(adc_type *adc_x, uint32_t adc_flag);

 /**
--- a/libraries/drivers/inc/at32f403a_407_bpr.h
+++ b/libraries/drivers/inc/at32f403a_407_bpr.h
@@ -759,6 +759,7 @@ typedef struct

 void bpr_reset(void);
 flag_status bpr_flag_get(uint32_t flag);
+flag_status bpr_interrupt_flag_get(uint32_t flag);
 void bpr_flag_clear(uint32_t flag);
 void bpr_interrupt_enable(confirm_state new_state);
 uint16_t bpr_data_read(bpr_data_type bpr_data);
--- a/libraries/drivers/inc/at32f403a_407_can.h
+++ b/libraries/drivers/inc/at32f403a_407_can.h
@@ -962,6 +962,7 @@ can_error_record_type can_error_type_record_get(can_type* can_x);
 uint8_t can_receive_error_counter_get(can_type* can_x);
 uint8_t can_transmit_error_counter_get(can_type* can_x);
 void can_interrupt_enable(can_type* can_x, uint32_t can_int, confirm_state new_state);
+flag_status can_interrupt_flag_get(can_type* can_x, uint32_t can_flag);
 flag_status can_flag_get(can_type* can_x, uint32_t can_flag);
 void can_flag_clear(can_type* can_x, uint32_t can_flag);

--- a/libraries/drivers/inc/at32f403a_407_crm.h
+++ b/libraries/drivers/inc/at32f403a_407_crm.h
@@ -1086,6 +1086,7 @@ void crm_reset(void);
 void crm_lext_bypass(confirm_state new_state);
 void crm_hext_bypass(confirm_state new_state);
 flag_status crm_flag_get(uint32_t flag);
+flag_status crm_interrupt_flag_get(uint32_t flag);
 error_status crm_hext_stable_wait(void);
 void crm_hick_clock_trimming_set(uint8_t trim_value);
 void crm_hick_clock_calibration_set(uint8_t cali_value);
--- a/libraries/drivers/inc/at32f403a_407_emac.h
+++ b/libraries/drivers/inc/at32f403a_407_emac.h
@@ -1687,6 +1687,7 @@ void emac_ptp_target_nanosecond_set(uint32_t value);
 confirm_state emac_ptp_timestamp_status_get(emac_ptp_timestamp_status_type status);
 void emac_ptp_pps_frequency_set(emac_ptp_pps_control_type freq);
 flag_status emac_dma_flag_get(uint32_t dma_flag);
+flag_status emac_dma_interrupt_flag_get(uint32_t dma_flag);
 void emac_dma_flag_clear(uint32_t dma_flag);

 /**
--- a/libraries/drivers/inc/at32f403a_407_exint.h
+++ b/libraries/drivers/inc/at32f403a_407_exint.h
@@ -206,6 +206,7 @@ void exint_default_para_init(exint_init_type *exint_struct);
 void exint_init(exint_init_type *exint_struct);
 void exint_flag_clear(uint32_t exint_line);
 flag_status exint_flag_get(uint32_t exint_line);
+flag_status exint_interrupt_flag_get(uint32_t exint_line);
 void exint_software_interrupt_event_generate(uint32_t exint_line);
 void exint_interrupt_enable(uint32_t exint_line, confirm_state new_state);
 void exint_event_enable(uint32_t exint_line, confirm_state new_state);
--- a/libraries/drivers/inc/at32f403a_407_i2c.h
+++ b/libraries/drivers/inc/at32f403a_407_i2c.h
@@ -379,6 +379,7 @@ void i2c_7bit_address_send(i2c_type *i2c_x, uint8_t address, i2c_direction_type
 void i2c_data_send(i2c_type *i2c_x, uint8_t data);
 uint8_t i2c_data_receive(i2c_type *i2c_x);
 flag_status i2c_flag_get(i2c_type *i2c_x, uint32_t flag);
+flag_status i2c_interrupt_flag_get(i2c_type *i2c_x, uint32_t flag);
 void i2c_flag_clear(i2c_type *i2c_x, uint32_t flag);

 /**
--- a/libraries/drivers/inc/at32f403a_407_pwc.h
+++ b/libraries/drivers/inc/at32f403a_407_pwc.h
@@ -58,7 +58,7 @@ extern "C" {
 /**
  * @brief pwc wakeup pin num definition
  */
-#define PWC_WAKEUP_PIN_1                 ((uint32_t)0x00000100) /*!< standby wake-up pin1 */
+#define PWC_WAKEUP_PIN_1                 ((uint32_t)0x00000100) /*!< standby wake-up pin1(pa0) */

 /** @defgroup PWC_exported_types
  * @{
--- a/libraries/drivers/inc/at32f403a_407_rtc.h
+++ b/libraries/drivers/inc/at32f403a_407_rtc.h
@@ -236,6 +236,7 @@ uint32_t rtc_divider_get(void);
 void rtc_alarm_set(uint32_t alarm_value);
 void rtc_interrupt_enable(uint16_t source, confirm_state new_state);
 flag_status rtc_flag_get(uint16_t flag);
+flag_status rtc_interrupt_flag_get(uint16_t flag);
 void rtc_flag_clear(uint16_t flag);
 void rtc_wait_config_finish(void);
 void rtc_wait_update_finish(void);
--- a/libraries/drivers/inc/at32f403a_407_sdio.h
+++ b/libraries/drivers/inc/at32f403a_407_sdio.h
@@ -589,6 +589,7 @@ void sdio_clock_enable(sdio_type *sdio_x, confirm_state new_state);
 void sdio_dma_enable(sdio_type *sdio_x, confirm_state new_state);
 void sdio_interrupt_enable(sdio_type *sdio_x, uint32_t int_opt,  confirm_state new_state);
 flag_status sdio_flag_get(sdio_type *sdio_x, uint32_t flag);
+flag_status sdio_interrupt_flag_get(sdio_type *sdio_x, uint32_t flag);
 void sdio_flag_clear(sdio_type *sdio_x, uint32_t flag);
 void sdio_command_config(sdio_type *sdio_x, sdio_command_struct_type *command_struct);
 void sdio_command_state_machine_enable(sdio_type *sdio_x, confirm_state new_state);
--- a/libraries/drivers/inc/at32f403a_407_spi.h
+++ b/libraries/drivers/inc/at32f403a_407_spi.h
@@ -476,6 +476,7 @@ void spi_i2s_dma_receiver_enable(spi_type* spi_x, confirm_state new_state);
 void spi_i2s_data_transmit(spi_type* spi_x, uint16_t tx_data);
 uint16_t spi_i2s_data_receive(spi_type* spi_x);
 flag_status spi_i2s_flag_get(spi_type* spi_x, uint32_t spi_i2s_flag);
+flag_status spi_i2s_interrupt_flag_get(spi_type* spi_x, uint32_t spi_i2s_flag);
 void spi_i2s_flag_clear(spi_type* spi_x, uint32_t spi_i2s_flag);

 /**
--- a/libraries/drivers/inc/at32f403a_407_tmr.h
+++ b/libraries/drivers/inc/at32f403a_407_tmr.h
@@ -898,6 +898,7 @@ void tmr_trigger_input_select(tmr_type *tmr_x, sub_tmr_input_sel_type trigger_se
 void tmr_sub_sync_mode_set(tmr_type *tmr_x, confirm_state new_state);
 void tmr_dma_request_enable(tmr_type *tmr_x, tmr_dma_request_type dma_request, confirm_state new_state);
 void tmr_interrupt_enable(tmr_type *tmr_x, uint32_t tmr_interrupt, confirm_state new_state);
+flag_status tmr_interrupt_flag_get(tmr_type *tmr_x, uint32_t tmr_flag);
 flag_status tmr_flag_get(tmr_type *tmr_x, uint32_t tmr_flag);
 void tmr_flag_clear(tmr_type *tmr_x, uint32_t tmr_flag);
 void tmr_event_sw_trigger(tmr_type *tmr_x, tmr_event_trigger_type tmr_event);
--- a/libraries/drivers/inc/at32f403a_407_usart.h
+++ b/libraries/drivers/inc/at32f403a_407_usart.h
@@ -358,6 +358,7 @@ void usart_irda_mode_enable(usart_type* usart_x, confirm_state new_state);
 void usart_irda_low_power_enable(usart_type* usart_x, confirm_state new_state);
 void usart_hardware_flow_control_set(usart_type* usart_x,usart_hardware_flow_control_type flow_state);
 flag_status usart_flag_get(usart_type* usart_x, uint32_t flag);
+flag_status usart_interrupt_flag_get(usart_type* usart_x, uint32_t flag);
 void usart_flag_clear(usart_type* usart_x, uint32_t flag);

 /**
--- a/libraries/drivers/inc/at32f403a_407_usb.h
+++ b/libraries/drivers/inc/at32f403a_407_usb.h
@@ -689,6 +689,7 @@ void usb_remote_wkup_clear(usbd_type *usbx);
 uint16_t usb_buffer_malloc(uint16_t maxpacket);
 void usb_buffer_free(void);
 flag_status usb_flag_get(usbd_type *usbx, uint16_t flag);
+flag_status usb_interrupt_flag_get(usbd_type *usbx, uint16_t flag);
 void usb_flag_clear(usbd_type *usbx, uint16_t flag);


--- a/libraries/drivers/inc/at32f403a_407_wwdt.h
+++ b/libraries/drivers/inc/at32f403a_407_wwdt.h
@@ -134,6 +134,7 @@ void wwdt_flag_clear(void);
 void wwdt_enable(uint8_t wwdt_cnt);
 void wwdt_interrupt_enable(void);
 flag_status wwdt_flag_get(void);
+flag_status wwdt_interrupt_flag_get(void);
 void wwdt_counter_set(uint8_t wwdt_cnt);
 void wwdt_window_counter_set(uint8_t window_cnt);

--- a/libraries/drivers/inc/at32f403a_407_xmc.h
+++ b/libraries/drivers/inc/at32f403a_407_xmc.h
@@ -545,6 +545,7 @@ void xmc_nand_ecc_enable(xmc_class_bank_type xmc_bank, confirm_state new_state);
 uint32_t xmc_ecc_get(xmc_class_bank_type xmc_bank);
 void xmc_interrupt_enable(xmc_class_bank_type xmc_bank, xmc_interrupt_sources_type xmc_int, confirm_state new_state);
 flag_status xmc_flag_status_get(xmc_class_bank_type xmc_bank, xmc_interrupt_flag_type xmc_flag);
+flag_status xmc_interrupt_flag_status_get(xmc_class_bank_type xmc_bank, xmc_interrupt_flag_type xmc_flag);
 void xmc_flag_clear(xmc_class_bank_type xmc_bank, xmc_interrupt_flag_type xmc_flag);

 /**
--- a/libraries/drivers/src/at32f403a_407_acc.c
+++ b/libraries/drivers/src/at32f403a_407_acc.c
@@ -188,6 +188,22 @@ flag_status acc_flag_get(uint16_t acc_flag)
    return (flag_status)(ACC->sts_bit.rslost);
 }

+/**
+  * @brief  check whether the specified acc interrupt flag is set or not.
+  * @param  acc_flag: specifies the flag to check.
+  *         this parameter can be one of the following values:
+  *         - ACC_RSLOST_FLAG
+  *         - ACC_CALRDY_FLAG
+  * @retval  flag_status (SET or RESET)
+  */
+flag_status acc_interrupt_flag_get(uint16_t acc_flag)
+{
+  if(acc_flag == ACC_CALRDY_FLAG)
+    return (flag_status)(ACC->sts_bit.calrdy && ACC->ctrl1_bit.calrdyien);
+  else
+    return (flag_status)(ACC->sts_bit.rslost && ACC->ctrl1_bit.eien);
+}
+
 /**
  * @brief  clear the specified acc flag is set or not.
  * @param  acc_flag: specifies the flag to check.
--- a/libraries/drivers/src/at32f403a_407_adc.c
+++ b/libraries/drivers/src/at32f403a_407_adc.c
@@ -795,6 +795,47 @@ flag_status adc_flag_get(adc_type *adc_x, uint8_t adc_flag)
  return status;
 }

+/**
+  * @brief  get interrupt flag of the specified adc peripheral.
+  * @param  adc_x: select the adc peripheral.
+  *         this parameter can be one of the following values:
+  *         ADC1, ADC2, ADC3.
+  * @param  adc_flag: select the adc flag.
+  *         this parameter can be one of the following values:
+  *         - ADC_VMOR_FLAG
+  *         - ADC_CCE_FLAG
+  *         - ADC_PCCE_FLAG
+  * @retval the new state of adc flag status(SET or RESET).
+  */
+flag_status adc_interrupt_flag_get(adc_type *adc_x, uint8_t adc_flag)
+{
+  flag_status status = RESET;
+  switch(adc_flag)
+  {
+    case ADC_VMOR_FLAG:
+      if(adc_x->sts_bit.vmor && adc_x->ctrl1_bit.vmorien)
+      {
+        status = SET;
+      }
+      break;
+    case ADC_CCE_FLAG:
+      if(adc_x->sts_bit.cce && adc_x->ctrl1_bit.cceien)
+      {
+        status = SET;
+      }
+      break;
+    case ADC_PCCE_FLAG:
+      if(adc_x->sts_bit.pcce && adc_x->ctrl1_bit.pcceien)
+      {
+        status = SET;
+      }
+      break;
+    default:
+      break;
+  }
+  return status;
+}
+
 /**
  * @brief  clear flag of the specified adc peripheral.
  * @param  adc_x: select the adc peripheral.
--- a/libraries/drivers/src/at32f403a_407_bpr.c
+++ b/libraries/drivers/src/at32f403a_407_bpr.c
@@ -70,6 +70,26 @@ flag_status bpr_flag_get(uint32_t flag)
  }
 }

+/**
+  * @brief  bpr interrupt flag get
+  * @param  flag: specifies the flag to check.
+  *         this parameter can be one of the following values:
+  *         - BPR_TAMPER_INTERRUPT_FLAG: tamper interrupt flag
+  *         - BPR_TAMPER_EVENT_FLAG:   tamper event flag
+  * @retval state of tamper event flag
+  */
+flag_status bpr_interrupt_flag_get(uint32_t flag)
+{
+  if(flag == BPR_TAMPER_INTERRUPT_FLAG)
+  {
+    return (flag_status)(BPR->ctrlsts_bit.tpif && BPR->ctrlsts_bit.tpien);
+  }
+  else
+  {
+    return (flag_status)(BPR->ctrlsts_bit.tpef && BPR->ctrlsts_bit.tpien);
+  }
+}
+
 /**
  * @brief  clear bpr tamper flag
  * @param  flag: specifies the flag to clear.
--- a/libraries/drivers/src/at32f403a_407_can.c
+++ b/libraries/drivers/src/at32f403a_407_can.c
@@ -932,6 +932,102 @@ void can_interrupt_enable(can_type* can_x, uint32_t can_int, confirm_state new_s
  }
 }

+/**
+  * @brief  get interrupt flag of the specified can peripheral.
+  * @param  can_x: select the can peripheral.
+  *         this parameter can be one of the following values:
+  *         CAN1,CAN2.
+  * @param  can_flag: select the flag.
+  *         this parameter can be one of the following flags:
+  *         - CAN_EAF_FLAG
+  *         - CAN_EPF_FLAG
+  *         - CAN_BOF_FLAG
+  *         - CAN_ETR_FLAG
+  *         - CAN_EOIF_FLAG
+  *         - CAN_TM0TCF_FLAG
+  *         - CAN_TM1TCF_FLAG
+  *         - CAN_TM2TCF_FLAG
+  *         - CAN_RF0MN_FLAG
+  *         - CAN_RF0FF_FLAG
+  *         - CAN_RF0OF_FLAG
+  *         - CAN_RF1MN_FLAG
+  *         - CAN_RF1FF_FLAG
+  *         - CAN_RF1OF_FLAG
+  *         - CAN_QDZIF_FLAG
+  *         - CAN_EDZC_FLAG
+  *         - CAN_TMEF_FLAG
+  *         note:the state of CAN_EDZC_FLAG need to check dzc and edzif bit
+  *         note:the state of CAN_TMEF_FLAG need to check rqc0,rqc1 and rqc2 bit
+  * @retval status of can_flag, the returned value can be:SET or RESET.
+  */
+flag_status can_interrupt_flag_get(can_type* can_x, uint32_t can_flag)
+{
+  flag_status bit_status = RESET;
+  flag_status int_status = RESET;
+
+  switch(can_flag)
+  {
+    case CAN_EAF_FLAG:
+      int_status = (flag_status)(can_x->inten_bit.eoien && can_x->inten_bit.eaien);
+      break;
+    case CAN_EPF_FLAG:
+      int_status = (flag_status)(can_x->inten_bit.eoien && can_x->inten_bit.epien);
+      break;
+    case CAN_BOF_FLAG:
+      int_status = (flag_status)(can_x->inten_bit.eoien && can_x->inten_bit.boien);
+      break;
+    case CAN_ETR_FLAG:
+      int_status = (flag_status)(can_x->inten_bit.eoien && can_x->inten_bit.etrien);
+      break;
+    case CAN_EOIF_FLAG:     
+      int_status = (flag_status)can_x->inten_bit.eoien;
+      break;
+    case CAN_TM0TCF_FLAG:
+    case CAN_TM1TCF_FLAG:
+    case CAN_TM2TCF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.tcien;
+      break;
+    case CAN_RF0MN_FLAG:
+      int_status = (flag_status)can_x->inten_bit.rf0mien;
+      break;
+    case CAN_RF0FF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.rf0fien;
+      break;
+    case CAN_RF0OF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.rf0oien;
+      break;
+    case CAN_RF1MN_FLAG:
+      int_status = (flag_status)can_x->inten_bit.rf1mien;
+      break;
+    case CAN_RF1FF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.rf1fien;
+      break;
+    case CAN_RF1OF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.rf1oien;
+      break;
+    case CAN_QDZIF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.qdzien;
+      break;
+    case CAN_EDZC_FLAG:
+      int_status = (flag_status)can_x->inten_bit.edzien;
+      break;
+    case CAN_TMEF_FLAG:
+      int_status = (flag_status)can_x->inten_bit.tcien;
+      break;
+    default:
+      int_status = RESET;
+      break;
+  }
+
+  if(int_status != SET)
+  {
+    return RESET;
+  }
+  bit_status = can_flag_get(can_x, can_flag);
+
+  return bit_status;
+}
+
 /**
  * @brief  get flag of the specified can peripheral.
  * @param  can_x: select the can peripheral.
--- a/libraries/drivers/src/at32f403a_407_crm.c
+++ b/libraries/drivers/src/at32f403a_407_crm.c
@@ -131,6 +131,64 @@ flag_status crm_flag_get(uint32_t flag)
  return status;
 }

+/**
+  * @brief  get crm interrupt flag status
+  * @param  flag
+  *         this parameter can be one of the following values:
+  *         - CRM_LICK_READY_INT_FLAG
+  *         - CRM_LEXT_READY_INT_FLAG
+  *         - CRM_HICK_READY_INT_FLAG
+  *         - CRM_HEXT_READY_INT_FLAG
+  *         - CRM_PLL_READY_INT_FLAG
+  *         - CRM_CLOCK_FAILURE_INT_FLAG
+  * @retval flag_status (SET or RESET)
+  */
+flag_status crm_interrupt_flag_get(uint32_t flag)
+{
+  flag_status status = RESET;
+  switch(flag)
+  {
+    case CRM_LICK_READY_INT_FLAG:
+      if(CRM->clkint_bit.lickstblf && CRM->clkint_bit.lickstblien)
+      {
+        status = SET;
+      }
+      break;
+    case CRM_LEXT_READY_INT_FLAG:
+      if(CRM->clkint_bit.lextstblf && CRM->clkint_bit.lextstblien)
+      {
+        status = SET;
+      }
+      break;
+    case CRM_HICK_READY_INT_FLAG:
+      if(CRM->clkint_bit.hickstblf && CRM->clkint_bit.hickstblien)
+      {
+        status = SET;
+      }
+      break;
+    case CRM_HEXT_READY_INT_FLAG:
+      if(CRM->clkint_bit.hextstblf && CRM->clkint_bit.hextstblien)
+      {
+        status = SET;
+      }
+      break;
+    case CRM_PLL_READY_INT_FLAG:
+      if(CRM->clkint_bit.pllstblf && CRM->clkint_bit.pllstblien)
+      {
+        status = SET;
+      }
+      break;
+    case CRM_CLOCK_FAILURE_INT_FLAG:
+      if(CRM->clkint_bit.cfdf && CRM->ctrl_bit.cfden)
+      {
+        status = SET;
+      }
+      break;
+  }
+
+  return status;
+}
+
 /**
  * @brief  wait for hext stable
  * @param  none
@@ -561,6 +619,7 @@ void crm_pll_config(crm_pll_clock_source_type clock_source, crm_pll_mult_type mu
 void crm_sysclk_switch(crm_sclk_type value)
 {
  CRM->cfg_bit.sclksel = value;
+  DUMMY_NOP();
 }

 /**
--- a/libraries/drivers/src/at32f403a_407_emac.c
+++ b/libraries/drivers/src/at32f403a_407_emac.c
@@ -2259,6 +2259,62 @@ flag_status emac_dma_flag_get(uint32_t dma_flag)
  return status;
 }

+/**
+  * @brief  check whether the specified emac dma interrupt flag is set or not.
+  * @param  dma_flag: specifies the emac dma flag to check.
+  *         this parameter can be one of emac dma flag status:
+  *         - EMAC_DMA_TI_FLAG
+  *         - EMAC_DMA_TPS_FLAG
+  *         - EMAC_DMA_TBU_FLAG
+  *         - EMAC_DMA_TJT_FLAG
+  *         - EMAC_DMA_OVF_FLAG
+  *         - EMAC_DMA_UNF_FLAG
+  *         - EMAC_DMA_RI_FLAG
+  *         - EMAC_DMA_RBU_FLAG
+  *         - EMAC_DMA_RPS_FLAG
+  *         - EMAC_DMA_RWT_FLAG
+  *         - EMAC_DMA_ETI_FLAG
+  *         - EMAC_DMA_FBEI_FLAG
+  *         - EMAC_DMA_ERI_FLAG
+  *         - EMAC_DMA_AIS_FLAG
+  *         - EMAC_DMA_NIS_FLAG
+  * @retval the new state of dma_flag (SET or RESET).
+  */
+flag_status emac_dma_interrupt_flag_get(uint32_t dma_flag)
+{
+  flag_status status = RESET;  
+  switch(dma_flag)
+  {
+    case EMAC_DMA_TI_FLAG:
+    case EMAC_DMA_TBU_FLAG:
+    case EMAC_DMA_RI_FLAG:
+    case EMAC_DMA_ERI_FLAG:
+      if((EMAC_DMA->sts & dma_flag) && 
+        (EMAC_DMA->ie & dma_flag) && 
+        (EMAC_DMA->sts & EMAC_DMA_NIS_FLAG))
+        status = SET;
+      break;
+    case EMAC_DMA_TPS_FLAG:
+    case EMAC_DMA_TJT_FLAG:
+    case EMAC_DMA_OVF_FLAG:
+    case EMAC_DMA_UNF_FLAG:
+    case EMAC_DMA_RBU_FLAG:
+    case EMAC_DMA_RPS_FLAG: 
+    case EMAC_DMA_RWT_FLAG:
+    case EMAC_DMA_ETI_FLAG:
+    case EMAC_DMA_FBEI_FLAG:
+      if((EMAC_DMA->sts & dma_flag) && 
+        (EMAC_DMA->ie & dma_flag) && 
+        (EMAC_DMA->sts & EMAC_DMA_AIS_FLAG))
+        status = SET;
+      break;
+    default:
+      break;
+  }
+  /* return the new state (SET or RESET) */
+  return status;
+}
+
 /**
  * @brief  clear the emac dma flag.
  * @param  dma_flag: specifies the emac dma flags to clear.
--- a/libraries/drivers/src/at32f403a_407_exint.c
+++ b/libraries/drivers/src/at32f403a_407_exint.c
@@ -161,6 +161,33 @@ flag_status exint_flag_get(uint32_t exint_line)
  return status;
 }

+/**
+  * @brief  get exint interrupt flag
+  * @param  exint_line
+  *         this parameter can be one of the following values:
+  *         - EXINT_LINE_0
+  *         - EXINT_LINE_1
+  *         ...
+  *         - EXINT_LINE_18
+  *         - EXINT_LINE_19
+  * @retval the new state of exint flag(SET or RESET).
+  */
+flag_status exint_interrupt_flag_get(uint32_t exint_line)
+{
+  flag_status status = RESET;
+  uint32_t exint_flag =0;
+  exint_flag = EXINT->intsts & exint_line & EXINT->inten;
+  if((exint_flag != (uint16_t)RESET))
+  {
+    status = SET;
+  }
+  else
+  {
+    status = RESET;
+  }
+  return status;
+}
+
 /**
  * @brief  generate exint software interrupt event
  * @param  exint_line
--- a/libraries/drivers/src/at32f403a_407_i2c.c
+++ b/libraries/drivers/src/at32f403a_407_i2c.c
@@ -603,6 +603,85 @@ flag_status i2c_flag_get(i2c_type *i2c_x, uint32_t flag)
  }
 }

+/**
+  * @brief  get interrupt flag status
+  * @param  i2c_x: to select the i2c peripheral.
+  *         this parameter can be one of the following values:
+  *         I2C1, I2C2, I2C3.
+  * @param  flag
+  *         this parameter can be one of the following values:
+  *         - I2C_STARTF_FLAG: start condition generation complete flag.
+  *         - I2C_ADDR7F_FLAG: 0~7 bit address match flag.
+  *         - I2C_TDC_FLAG: transmit data complete flag.
+  *         - I2C_ADDRHF_FLAG: master 9~8 bit address header match flag.
+  *         - I2C_STOPF_FLAG: stop condition generation complete flag.
+  *         - I2C_RDBF_FLAG: receive data buffer full flag.
+  *         - I2C_TDBE_FLAG: transmit data buffer empty flag.
+  *         - I2C_BUSERR_FLAG: bus error flag.
+  *         - I2C_ARLOST_FLAG: arbitration lost flag.
+  *         - I2C_ACKFAIL_FLAG: acknowledge failure flag.
+  *         - I2C_OUF_FLAG: overflow or underflow flag.
+  *         - I2C_PECERR_FLAG: pec receive error flag.
+  *         - I2C_TMOUT_FLAG: smbus timeout flag.
+  *         - I2C_ALERTF_FLAG: smbus alert flag.
+  * @retval flag_status (SET or RESET)
+  */
+flag_status i2c_interrupt_flag_get(i2c_type *i2c_x, uint32_t flag)
+{
+  __IO uint32_t reg = 0, value = 0, iten = 0;
+
+  switch(flag)
+  {
+    case I2C_STARTF_FLAG:
+    case I2C_ADDR7F_FLAG:
+    case I2C_TDC_FLAG:
+    case I2C_ADDRHF_FLAG:
+    case I2C_STOPF_FLAG:
+      iten = i2c_x->ctrl2_bit.evtien;
+      break;
+    case I2C_RDBF_FLAG:
+    case I2C_TDBE_FLAG:
+      iten = i2c_x->ctrl2_bit.dataien & i2c_x->ctrl2_bit.evtien;
+      break;
+    case I2C_BUSERR_FLAG:
+    case I2C_ARLOST_FLAG:
+    case I2C_ACKFAIL_FLAG:
+    case I2C_OUF_FLAG:
+    case I2C_PECERR_FLAG:
+    case I2C_TMOUT_FLAG:
+    case I2C_ALERTF_FLAG:
+      iten = i2c_x->ctrl2_bit.errien;
+      break;
+    
+    default:
+      break;
+  }
+  
+  reg = flag >> 28;
+
+  flag &= (uint32_t)0x00FFFFFF;
+
+  if(reg == 0)
+  {
+    value = i2c_x->sts1;
+  }
+  else
+  {
+    flag = (uint32_t)(flag >> 16);
+
+    value = i2c_x->sts2;
+  }
+
+  if(((value & flag) != (uint32_t)RESET) && (iten))
+  {
+    return SET;
+  }
+  else
+  {
+    return RESET;
+  }
+}
+
 /**
  * @brief  clear flag status
  * @param  i2c_x: to select the i2c peripheral.
--- a/libraries/drivers/src/at32f403a_407_rtc.c
+++ b/libraries/drivers/src/at32f403a_407_rtc.c
@@ -172,6 +172,31 @@ flag_status rtc_flag_get(uint16_t flag)
  return status;
 }

+/**
+  * @brief  rtc interrupt flag get
+  * @param  flag
+  *         this parameter can be one of the following values:
+  *         - RTC_TS_FLAG: time second flag.
+  *         - RTC_TA_FLAG: time alarm flag.
+  *         - RTC_OVF_FLAG: overflow flag.
+  * @retval state of rtc flag
+  */
+flag_status rtc_interrupt_flag_get(uint16_t flag)
+{
+  flag_status status = RESET;
+
+  if (((RTC->ctrll & flag) != (uint16_t)RESET) && ((RTC->ctrlh & flag) != (uint16_t)RESET))
+  {
+    status = SET;
+  }
+  else
+  {
+    status = RESET;
+  }
+
+  return status;
+}
+
 /**
  * @brief  rtc flag clear
  * @param  interrupt_flag
--- a/libraries/drivers/src/at32f403a_407_sdio.c
+++ b/libraries/drivers/src/at32f403a_407_sdio.c
@@ -241,6 +241,50 @@ void sdio_interrupt_enable(sdio_type *sdio_x, uint32_t int_opt,  confirm_state n
  }
 }

+/**
+  * @brief  get sdio interrupt flag.
+  * @param  sdio_x: to select the sdio peripheral.
+  *         this parameter can be one of the following values:
+  *         SDIO1, SDIO2.
+  * @param  flag
+  *         this parameter can be one of the following values:
+  *         - SDIO_CMDFAIL_FLAG
+  *         - SDIO_DTFAIL_FLAG
+  *         - SDIO_CMDTIMEOUT_FLAG
+  *         - SDIO_DTTIMEOUT_FLAG
+  *         - SDIO_TXERRU_FLAG
+  *         - SDIO_RXERRO_FLAG
+  *         - SDIO_CMDRSPCMPL_FLAG
+  *         - SDIO_CMDCMPL_FLAG
+  *         - SDIO_DTCMPL_FLAG
+  *         - SDIO_SBITERR_FLAG
+  *         - SDIO_DTBLKCMPL_FLAG
+  *         - SDIO_DOCMD_FLAG
+  *         - SDIO_DOTX_FLAG
+  *         - SDIO_DORX_FLAG
+  *         - SDIO_TXBUFH_FLAG
+  *         - SDIO_RXBUFH_FLAG
+  *         - SDIO_TXBUFF_FLAG
+  *         - SDIO_RXBUFF_FLAG
+  *         - SDIO_TXBUFE_FLAG
+  *         - SDIO_RXBUFE_FLAG
+  *         - SDIO_TXBUF_FLAG
+  *         - SDIO_RXBUF_FLAG
+  *         - SDIO_SDIOIF_FLAG
+  * @retval flag_status (SET or RESET)
+  */
+flag_status sdio_interrupt_flag_get(sdio_type *sdio_x, uint32_t flag)
+{
+  flag_status status = RESET;
+
+  if((sdio_x->inten & flag) && (sdio_x->sts & flag))
+  {
+    status = SET;
+  }
+
+  return status;
+}
+
 /**
  * @brief  get sdio flag.
  * @param  sdio_x: to select the sdio peripheral.
--- a/libraries/drivers/src/at32f403a_407_spi.c
+++ b/libraries/drivers/src/at32f403a_407_spi.c
@@ -561,6 +561,69 @@ flag_status spi_i2s_flag_get(spi_type* spi_x, uint32_t spi_i2s_flag)
  return status;
 }

+/**
+  * @brief  get interrupt flag of the specified spi/i2s peripheral.
+  * @param  spi_x: select the spi/i2s peripheral.
+  *         this parameter can be one of the following values:
+  *         SPI1, SPI2, SPI3 ,SPI4, I2S2EXT, I2S3EXT
+  * @param  spi_i2s_flag: select the spi/i2s flag
+  *         this parameter can be one of the following values:
+  *         - SPI_I2S_RDBF_FLAG
+  *         - SPI_I2S_TDBE_FLAG
+  *         - I2S_TUERR_FLAG  (this flag only use in i2s mode)
+  *         - SPI_CCERR_FLAG  (this flag only use in spi mode)
+  *         - SPI_MMERR_FLAG  (this flag only use in spi mode)
+  *         - SPI_I2S_ROERR_FLAG
+  * @retval the new state of spi/i2s flag
+  */
+flag_status spi_i2s_interrupt_flag_get(spi_type* spi_x, uint32_t spi_i2s_flag)
+{
+  flag_status status = RESET;
+  
+  switch(spi_i2s_flag)
+  {
+    case SPI_I2S_RDBF_FLAG:
+      if(spi_x->sts_bit.rdbf && spi_x->ctrl2_bit.rdbfie)
+      {
+        status = SET;
+      }
+      break;
+    case SPI_I2S_TDBE_FLAG:
+      if(spi_x->sts_bit.tdbe && spi_x->ctrl2_bit.tdbeie)
+      {
+        status = SET;
+      }
+      break;
+    case I2S_TUERR_FLAG:
+      if(spi_x->sts_bit.tuerr && spi_x->ctrl2_bit.errie)
+      {
+        status = SET;
+      }
+      break;
+    case SPI_CCERR_FLAG:
+      if(spi_x->sts_bit.ccerr && spi_x->ctrl2_bit.errie)
+      {
+        status = SET;
+      }
+      break;
+    case SPI_MMERR_FLAG:
+      if(spi_x->sts_bit.mmerr && spi_x->ctrl2_bit.errie)
+      {
+        status = SET;
+      }
+      break;
+    case SPI_I2S_ROERR_FLAG:
+      if(spi_x->sts_bit.roerr && spi_x->ctrl2_bit.errie)
+      {
+        status = SET;
+      }
+      break;
+    default:
+      break;
+  };
+  return status;
+}
+
 /**
  * @brief  clear flag of the specified spi/i2s peripheral.
  * @param  spi_x: select the spi/i2s peripheral.
--- a/libraries/drivers/src/at32f403a_407_tmr.c
+++ b/libraries/drivers/src/at32f403a_407_tmr.c
@@ -1342,6 +1342,40 @@ void tmr_interrupt_enable(tmr_type *tmr_x, uint32_t tmr_interrupt, confirm_state
  }
 }

+/**
+  * @brief  get tmr interrupt flag
+  * @param  tmr_x: select the tmr peripheral.
+  *         this parameter can be one of the following values:
+  *         TMR1, TMR2, TMR3, TMR4, TMR5, TMR6, TMR7, TMR8,
+  *         TMR9, TMR10, TMR11, TMR12, TMR13, TMR14
+  * @param  tmr_flag
+  *         this parameter can be one of the following values:
+  *         - TMR_OVF_FLAG
+  *         - TMR_C1_FLAG
+  *         - TMR_C2_FLAG
+  *         - TMR_C3_FLAG
+  *         - TMR_C4_FLAG
+  *         - TMR_HALL_FLAG
+  *         - TMR_TRIGGER_FLAG
+  *         - TMR_BRK_FLAG
+  * @retval state of tmr interrupt flag
+  */
+flag_status tmr_interrupt_flag_get(tmr_type *tmr_x, uint32_t tmr_flag)
+{
+  flag_status status = RESET;
+
+  if((tmr_x->ists & tmr_flag) && (tmr_x->iden & tmr_flag))
+  {
+    status = SET;
+  }
+  else
+  {
+    status = RESET;
+  }
+
+  return status;
+}
+
 /**
  * @brief  get tmr flag
  * @param  tmr_x: select the tmr peripheral.
--- a/libraries/drivers/src/at32f403a_407_usart.c
+++ b/libraries/drivers/src/at32f403a_407_usart.c
@@ -592,6 +592,79 @@ flag_status usart_flag_get(usart_type* usart_x, uint32_t flag)
  }
 }

+/**
+  * @brief  check whether the specified usart interrupt flag is set or not.
+  * @param  usart_x: select the usart or the uart peripheral.
+  *         this parameter can be one of the following values:
+  *         USART1, USART2, USART3, UART4, UART5, USART6, UART7 or UART8.
+  * @param  flag: specifies the flag to check.
+  *         this parameter can be one of the following values:
+  *         - USART_CTSCF_FLAG: cts change flag (not available for UART4,UART5)
+  *         - USART_BFF_FLAG:   break frame flag
+  *         - USART_TDBE_FLAG:  transmit data buffer empty flag
+  *         - USART_TDC_FLAG:   transmit data complete flag
+  *         - USART_RDBF_FLAG:  receive data buffer full flag
+  *         - USART_IDLEF_FLAG: idle flag
+  *         - USART_ROERR_FLAG: receiver overflow error flag
+  *         - USART_NERR_FLAG:  noise error flag
+  *         - USART_FERR_FLAG:  framing error flag
+  *         - USART_PERR_FLAG:  parity error flag
+  * @retval the new state of usart_flag (SET or RESET).
+  */
+flag_status usart_interrupt_flag_get(usart_type* usart_x, uint32_t flag)
+{
+  flag_status int_status = RESET;
+
+  switch(flag)
+  {
+    case USART_CTSCF_FLAG:
+      int_status = (flag_status)usart_x->ctrl3_bit.ctscfien;
+      break;
+    case USART_BFF_FLAG:
+      int_status = (flag_status)usart_x->ctrl2_bit.bfien;
+      break;
+    case USART_TDBE_FLAG:
+      int_status = (flag_status)usart_x->ctrl1_bit.tdbeien;
+      break;
+    case USART_TDC_FLAG:
+      int_status = (flag_status)usart_x->ctrl1_bit.tdcien;
+      break;
+    case USART_RDBF_FLAG:
+      int_status = (flag_status)usart_x->ctrl1_bit.rdbfien;
+      break;
+    case USART_ROERR_FLAG:
+      int_status = (flag_status)(usart_x->ctrl1_bit.rdbfien || usart_x->ctrl3_bit.errien);
+      break;
+    case USART_IDLEF_FLAG:
+      int_status = (flag_status)usart_x->ctrl1_bit.idleien;
+      break;  
+    case USART_NERR_FLAG:
+    case USART_FERR_FLAG:
+      int_status = (flag_status)usart_x->ctrl3_bit.errien;
+      break;
+    case USART_PERR_FLAG:
+      int_status = (flag_status)usart_x->ctrl1_bit.perrien;
+      break;      
+    default:
+      int_status = RESET;
+      break;
+  }
+
+  if(int_status != SET)
+  {
+    return RESET;
+  }
+
+  if(usart_x->sts & flag)
+  {
+    return SET;
+  }
+  else
+  {
+    return RESET;
+  }
+}
+
 /**
  * @brief  clear the usart's pending flags.
  * @param  usart_x: select the usart or the uart peripheral.
--- a/libraries/drivers/src/at32f403a_407_usb.c
+++ b/libraries/drivers/src/at32f403a_407_usb.c
@@ -131,6 +131,7 @@ void usb_usbbufs_enable(usbd_type *usbx, confirm_state state)
    g_usb_packet_address = USB_PACKET_BUFFER_ADDRESS;
    CRM->misc1_bit.usbbufs = FALSE;
  }
+  UNUSED(usbx);
 }

 /**
@@ -249,6 +250,7 @@ void usb_ept_open(usbd_type *usbx, usb_ept_info *ept_info)
      USB_SET_TXSTS(ept_info->eptn, USB_TX_DISABLE);
    }
  }
+  UNUSED(usbx);
 }


@@ -308,6 +310,7 @@ void usb_ept_close(usbd_type *usbx, usb_ept_info *ept_info)
      USB_SET_RXSTS(ept_info->eptn, USB_RX_DISABLE);
    }
  }
+  UNUSED(usbx);
 }

 /**
@@ -422,6 +425,7 @@ void usb_ept_stall(usbd_type *usbx, usb_ept_info *ept_info)
  {
    USB_SET_RXSTS(ept_info->eptn, USB_RX_STALL)
  }
+  UNUSED(usbx);
 }

 /**
@@ -523,6 +527,40 @@ flag_status usb_flag_get(usbd_type *usbx, uint16_t flag)
  return status;
 }

+/**
+  * @brief  get interrupt flag of usb.
+  * @param  usbx: select the usb peripheral
+  * @param  flag: select the usb flag
+  *         this parameter can be one of the following values:
+  *         - USB_LSOF_FLAG
+  *         - USB_SOF_FLAG
+  *         - USB_RST_FLAG
+  *         - USB_SP_FLAG
+  *         - USB_WK_FLAG
+  *         - USB_BE_FLAG
+  *         - USB_UCFOR_FLAG
+  *         - USB_TC_FLAG
+  * @retval none
+  */
+flag_status usb_interrupt_flag_get(usbd_type *usbx, uint16_t flag)
+{
+  flag_status status = RESET;
+  
+  if(flag == USB_TC_FLAG)
+  {
+    if(usbx->intsts & USB_TC_FLAG)
+      status = SET;
+  }
+  else
+  {
+    if((usbx->intsts & flag) && (usbx->ctrl & flag))
+    {
+      status = SET;
+    }
+  }
+  return status;
+}
+
 /**
  * @brief  clear flag of usb.
  * @param  usbx: select the usb peripheral
--- a/libraries/drivers/src/at32f403a_407_wwdt.c
+++ b/libraries/drivers/src/at32f403a_407_wwdt.c
@@ -104,6 +104,16 @@ flag_status wwdt_flag_get(void)
  return (flag_status)WWDT->sts_bit.rldf;
 }

+/**
+  * @brief  wwdt reload counter interrupt flag get
+  * @param  none
+  * @retval state of reload counter interrupt flag
+  */
+flag_status wwdt_interrupt_flag_get(void)
+{
+  return (flag_status)(WWDT->sts_bit.rldf && WWDT->cfg_bit.rldien);
+}
+
 /**
  * @brief  wwdt counter value set
  * @param  wwdt_cnt (0x40~0x7f)
--- a/libraries/drivers/src/at32f403a_407_xmc.c
+++ b/libraries/drivers/src/at32f403a_407_xmc.c
@@ -468,6 +468,47 @@ flag_status xmc_flag_status_get(xmc_class_bank_type xmc_bank, xmc_interrupt_flag
  return status;
 }

+/**
+  * @brief  check whether the specified xmc interrupt flag is set or not.
+  * @param  xmc_bank: specifies the xmc bank to be used
+  *         this parameter can be one of the following values:
+  *         - XMC_BANK2_NAND
+  * @param  xmc_flag: specifies the flag to check.
+  *         this parameter can be any combination of the following values:
+  *         - XMC_RISINGEDGE_FLAG
+  *         - XMC_LEVEL_FLAG
+  *         - XMC_FALLINGEDGE_FLAG
+  * @retval none
+  */
+flag_status xmc_interrupt_flag_status_get(xmc_class_bank_type xmc_bank, xmc_interrupt_flag_type xmc_flag)
+{
+  flag_status status = RESET;
+
+  switch(xmc_flag)
+  {
+    case XMC_RISINGEDGE_FLAG:
+      if(XMC_BANK2->bk2is_bit.reien & XMC_BANK2->bk2is_bit.res)
+        status = SET;
+      break;
+    
+    case XMC_LEVEL_FLAG:
+      if(XMC_BANK2->bk2is_bit.feien & XMC_BANK2->bk2is_bit.fes)
+        status = SET;
+      break;
+    
+    case XMC_FALLINGEDGE_FLAG:
+      if(XMC_BANK2->bk2is_bit.hlien & XMC_BANK2->bk2is_bit.hls)
+        status = SET;
+      break;
+    
+    default:
+      break;
+  }
+  
+  /* return the flag status */
+  return status;
+}
+
 /**
  * @brief  clear the xmc's pending flags.
  * @param  xmc_bank: specifies the xmc bank to be used
--- a/project/at_start_f403a/examples/acc/calibration/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/acc/calibration/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/combine_mode_ordinary_simult/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/combine_mode_ordinary_simult/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/current_vref_value_check/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/current_vref_value_check/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/exint_trigger_partitioned/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/exint_trigger_partitioned/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/internal_temperature_sensor/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/internal_temperature_sensor/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/repeat_conversion_loop_transfer/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/repeat_conversion_loop_transfer/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/software_trigger_repeat/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/software_trigger_repeat/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/tmr_trigger_automatic_preempted/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/tmr_trigger_automatic_preempted/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/triple_adc_synchro_trigger/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/triple_adc_synchro_trigger/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/adc/voltage_monitoring/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/adc/voltage_monitoring/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/bpr/bpr_data/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/bpr/bpr_data/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/bpr/tamper/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/bpr/tamper/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/can/communication_mode/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/can/communication_mode/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/can/filter/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/can/filter/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/can/loopback_mode/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/can/loopback_mode/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/cortex_m4/bit_band/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/cortex_m4/bit_band/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/cortex_m4/cmsis_dsp/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/cortex_m4/cmsis_dsp/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/cortex_m4/fpu/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/cortex_m4/fpu/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/cortex_m4/systick_interrupt/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/cortex_m4/systick_interrupt/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/crc/calculation/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/crc/calculation/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/crm/clock_failure_detection/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/crm/clock_failure_detection/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/crm/sysclk_switch/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/crm/sysclk_switch/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dac/double_mode_dma_sinewave/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dac/double_mode_dma_sinewave/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dac/double_mode_dma_squarewave/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dac/double_mode_dma_squarewave/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dac/one_dac_dma_escalator/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dac/one_dac_dma_escalator/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dac/one_dac_noisewave/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dac/one_dac_noisewave/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dac/two_dac_trianglewave/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dac/two_dac_trianglewave/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/debug/tmr1/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/debug/tmr1/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dma/data_to_gpio_flexible/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dma/data_to_gpio_flexible/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/dma/flash_to_sram/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/dma/flash_to_sram/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/exint/exint_config/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/exint/exint_config/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/exint/exint_software_trigger/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/exint/exint_software_trigger/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/flash/fap_enable/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/flash/fap_enable/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/flash/flash_write_read/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/flash/flash_write_read/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/flash/operate_spim/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/flash/operate_spim/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/flash/run_in_spim/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/flash/run_in_spim/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/gpio/io_toggle/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/gpio/io_toggle/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/gpio/led_toggle/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/gpio/led_toggle/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/gpio/swjtag_remap/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/gpio/swjtag_remap/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2c/communication_dma/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2c/communication_dma/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2c/communication_int/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2c/communication_int/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2c/communication_poll/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2c/communication_poll/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2c/eeprom/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2c/eeprom/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2s/fullduplex_dma/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2s/fullduplex_dma/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2s/halfduplex_dma/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2s/halfduplex_dma/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2s/halfduplex_interrupt/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2s/halfduplex_interrupt/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/i2s/spii2s_switch_halfduplex_polling/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/i2s/spii2s_switch_halfduplex_polling/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/deepsleep_rtc/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/pwc/deepsleep_rtc/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/power_voltage_monitor/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/pwc/power_voltage_monitor/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/sleep_tmr2/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/pwc/sleep_tmr2/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/sleep_usart1/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/pwc/sleep_usart1/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/standby_rtc/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/pwc/standby_rtc/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/standby_wakeup_pin/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/pwc/standby_wakeup_pin/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/pwc/standby_wakeup_pin/readme.txt
+++ b/project/at_start_f403a/examples/pwc/standby_wakeup_pin/readme.txt
@@ -6,6 +6,6 @@
  */

  this demo is based on the at-start board, in this demo, shows how to exit
-  standby mode by wake-up pin.
+  standby mode by wake-up pin. 

  for more detailed information. please refer to the application note document AN0100.
--- a/project/at_start_f403a/examples/pwc/standby_wakeup_pin/src/main.c
+++ b/project/at_start_f403a/examples/pwc/standby_wakeup_pin/src/main.c
@@ -78,7 +78,7 @@ int main(void)
  /*delay to check led status*/
  delay_ms(1000);

-  /* enable wakeup pin - pa0 */
+  /* enable wakeup pin */
  pwc_wakeup_pin_enable(PWC_WAKEUP_PIN_1, TRUE);

  /* enter standby mode */
--- a/project/at_start_f403a/examples/rtc/calendar/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/rtc/calendar/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/rtc/lick_calibration/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/rtc/lick_calibration/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/sdio/sd_mmc_card/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/sdio/sd_mmc_card/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/project/at_start_f403a/examples/sdio/sd_mmc_card/readme.txt
+++ b/project/at_start_f403a/examples/sdio/sd_mmc_card/readme.txt
@@ -9,7 +9,7 @@
  sd card test: init, erase, single block r/w, multiple blocks r/w.
  mmc card test:init, erase, single block r/w, multiple blocks r/w, stream data r/w.

-    sdio1                       at32f403a           sd/mmc card
+    sdio1                                           sd/mmc card
  - sdio1_d0                    pc8          --->   dat0
  - sdio1_d1                    pc9          --->   dat1
  - sdio1_d2                    pc10         --->   dat2
--- a/project/at_start_f403a/examples/sdio/sdio_fatfs/inc/at32f403a_407_conf.h
+++ b/project/at_start_f403a/examples/sdio/sdio_fatfs/inc/at32f403a_407_conf.h
@@ -32,7 +32,7 @@ extern "C" {


 /**
-  * @brief in the following line adjust the value of high speed exernal crystal (hext)
+  * @brief in the following line adjust the value of high speed external crystal (hext)
  * used in your application
  *
  * tip: to avoid modifying this file each time you need to use different hext, you
@@ -40,16 +40,16 @@ extern "C" {
  *
  */
 #if !defined  HEXT_VALUE
-#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed exernal crystal in hz */
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
 #endif

 /**
-  * @brief in the following line adjust the high speed exernal crystal (hext) startup
+  * @brief in the following line adjust the high speed external crystal (hext) startup
  * timeout value
  */
 #define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
 #define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
-#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed exernal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */

 /* module define -------------------------------------------------------------*/
 #define CRM_MODULE_ENABLED
--- a/Show More
+++ b/Show More