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Functions | |
void | RCC_DeInit (void) |
Resets the RCC clock configuration to the default reset state. | |
void | RCC_HSEConfig (uint32_t RCC_HSE) |
Configures the External High Speed oscillator (HSE). | |
ErrorStatus | RCC_WaitForHSEStartUp (void) |
Waits for HSE start-up. | |
void | RCC_AdjustHSICalibrationValue (uint8_t HSICalibrationValue) |
Adjusts the Internal High Speed oscillator (HSI) calibration value. | |
void | RCC_HSICmd (FunctionalState NewState) |
Enables or disables the Internal High Speed oscillator (HSI). | |
void | RCC_PLLConfig (uint32_t RCC_PLLSource, uint32_t RCC_PLLMul) |
Configures the PLL clock source and multiplication factor. | |
void | RCC_PLLCmd (FunctionalState NewState) |
Enables or disables the PLL. | |
void | RCC_PREDIV1Config (uint32_t RCC_PREDIV1_Source, uint32_t RCC_PREDIV1_Div) |
Configures the PREDIV1 division factor. | |
void | RCC_PREDIV2Config (uint32_t RCC_PREDIV2_Div) |
Configures the PREDIV2 division factor. | |
void | RCC_PLL2Config (uint32_t RCC_PLL2Mul) |
Configures the PLL2 multiplication factor. | |
void | RCC_PLL2Cmd (FunctionalState NewState) |
Enables or disables the PLL2. | |
void | RCC_PLL3Config (uint32_t RCC_PLL3Mul) |
Configures the PLL3 multiplication factor. | |
void | RCC_PLL3Cmd (FunctionalState NewState) |
Enables or disables the PLL3. | |
void | RCC_SYSCLKConfig (uint32_t RCC_SYSCLKSource) |
Configures the system clock (SYSCLK). | |
uint8_t | RCC_GetSYSCLKSource (void) |
Returns the clock source used as system clock. | |
void | RCC_HCLKConfig (uint32_t RCC_SYSCLK) |
Configures the AHB clock (HCLK). | |
void | RCC_PCLK1Config (uint32_t RCC_HCLK) |
Configures the Low Speed APB clock (PCLK1). | |
void | RCC_PCLK2Config (uint32_t RCC_HCLK) |
Configures the High Speed APB clock (PCLK2). | |
void | RCC_ITConfig (uint8_t RCC_IT, FunctionalState NewState) |
Enables or disables the specified RCC interrupts. | |
void | RCC_USBCLKConfig (uint32_t RCC_USBCLKSource) |
Configures the USB clock (USBCLK). | |
void | RCC_OTGFSCLKConfig (uint32_t RCC_OTGFSCLKSource) |
Configures the USB OTG FS clock (OTGFSCLK). | |
void | RCC_ADCCLKConfig (uint32_t RCC_PCLK2) |
Configures the ADC clock (ADCCLK). | |
void | RCC_I2S2CLKConfig (uint32_t RCC_I2S2CLKSource) |
Configures the I2S2 clock source(I2S2CLK). | |
void | RCC_I2S3CLKConfig (uint32_t RCC_I2S3CLKSource) |
Configures the I2S3 clock source(I2S2CLK). | |
void | RCC_LSEConfig (uint8_t RCC_LSE) |
Configures the External Low Speed oscillator (LSE). | |
void | RCC_LSICmd (FunctionalState NewState) |
Enables or disables the Internal Low Speed oscillator (LSI). | |
void | RCC_RTCCLKConfig (uint32_t RCC_RTCCLKSource) |
Configures the RTC clock (RTCCLK). | |
void | RCC_RTCCLKCmd (FunctionalState NewState) |
Enables or disables the RTC clock. | |
void | RCC_GetClocksFreq (RCC_ClocksTypeDef *RCC_Clocks) |
Returns the frequencies of different on chip clocks. | |
void | RCC_AHBPeriphClockCmd (uint32_t RCC_AHBPeriph, FunctionalState NewState) |
Enables or disables the AHB peripheral clock. | |
void | RCC_APB2PeriphClockCmd (uint32_t RCC_APB2Periph, FunctionalState NewState) |
Enables or disables the High Speed APB (APB2) peripheral clock. | |
void | RCC_APB1PeriphClockCmd (uint32_t RCC_APB1Periph, FunctionalState NewState) |
Enables or disables the Low Speed APB (APB1) peripheral clock. | |
void | RCC_AHBPeriphResetCmd (uint32_t RCC_AHBPeriph, FunctionalState NewState) |
Forces or releases AHB peripheral reset. | |
void | RCC_APB2PeriphResetCmd (uint32_t RCC_APB2Periph, FunctionalState NewState) |
Forces or releases High Speed APB (APB2) peripheral reset. | |
void | RCC_APB1PeriphResetCmd (uint32_t RCC_APB1Periph, FunctionalState NewState) |
Forces or releases Low Speed APB (APB1) peripheral reset. | |
void | RCC_BackupResetCmd (FunctionalState NewState) |
Forces or releases the Backup domain reset. | |
void | RCC_ClockSecuritySystemCmd (FunctionalState NewState) |
Enables or disables the Clock Security System. | |
void | RCC_MCOConfig (uint8_t RCC_MCO) |
Selects the clock source to output on MCO pin. | |
FlagStatus | RCC_GetFlagStatus (uint8_t RCC_FLAG) |
Checks whether the specified RCC flag is set or not. | |
void | RCC_ClearFlag (void) |
Clears the RCC reset flags. | |
ITStatus | RCC_GetITStatus (uint8_t RCC_IT) |
Checks whether the specified RCC interrupt has occurred or not. | |
void | RCC_ClearITPendingBit (uint8_t RCC_IT) |
Clears the RCC's interrupt pending bits. |
Function Documentation
void RCC_ADCCLKConfig | ( | uint32_t | RCC_PCLK2 ) |
Configures the ADC clock (ADCCLK).
- Parameters:
-
RCC_PCLK2,: defines the ADC clock divider. This clock is derived from the APB2 clock (PCLK2). This parameter can be one of the following values: - RCC_PCLK2_Div2: ADC clock = PCLK2/2
- RCC_PCLK2_Div4: ADC clock = PCLK2/4
- RCC_PCLK2_Div6: ADC clock = PCLK2/6
- RCC_PCLK2_Div8: ADC clock = PCLK2/8
- Return values:
-
None
Definition at line 766 of file stm32f10x_rcc.c.
void RCC_AdjustHSICalibrationValue | ( | uint8_t | HSICalibrationValue ) |
Adjusts the Internal High Speed oscillator (HSI) calibration value.
- Parameters:
-
HSICalibrationValue,: specifies the calibration trimming value. This parameter must be a number between 0 and 0x1F.
- Return values:
-
None
Definition at line 334 of file stm32f10x_rcc.c.
void RCC_AHBPeriphClockCmd | ( | uint32_t | RCC_AHBPeriph, |
FunctionalState | NewState | ||
) |
Enables or disables the AHB peripheral clock.
- Parameters:
-
RCC_AHBPeriph,: specifies the AHB peripheral to gates its clock.
For STM32_Connectivity_line_devices, this parameter can be any combination of the following values:
- RCC_AHBPeriph_DMA1
- RCC_AHBPeriph_DMA2
- RCC_AHBPeriph_SRAM
- RCC_AHBPeriph_FLITF
- RCC_AHBPeriph_CRC
- RCC_AHBPeriph_OTG_FS
- RCC_AHBPeriph_ETH_MAC
- RCC_AHBPeriph_ETH_MAC_Tx
- RCC_AHBPeriph_ETH_MAC_Rx
For other_STM32_devices, this parameter can be any combination of the following values:
- RCC_AHBPeriph_DMA1
- RCC_AHBPeriph_DMA2
- RCC_AHBPeriph_SRAM
- RCC_AHBPeriph_FLITF
- RCC_AHBPeriph_CRC
- RCC_AHBPeriph_FSMC
- RCC_AHBPeriph_SDIO
- Note:
- SRAM and FLITF clock can be disabled only during sleep mode.
- Parameters:
-
NewState,: new state of the specified peripheral clock. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1064 of file stm32f10x_rcc.c.
void RCC_AHBPeriphResetCmd | ( | uint32_t | RCC_AHBPeriph, |
FunctionalState | NewState | ||
) |
Forces or releases AHB peripheral reset.
- Note:
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_AHBPeriph,: specifies the AHB peripheral to reset. This parameter can be any combination of the following values: - RCC_AHBPeriph_OTG_FS
- RCC_AHBPeriph_ETH_MAC
NewState,: new state of the specified peripheral reset. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1153 of file stm32f10x_rcc.c.
void RCC_APB1PeriphClockCmd | ( | uint32_t | RCC_APB1Periph, |
FunctionalState | NewState | ||
) |
Enables or disables the Low Speed APB (APB1) peripheral clock.
- Parameters:
-
RCC_APB1Periph,: specifies the APB1 peripheral to gates its clock. This parameter can be any combination of the following values: - RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4, RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7, RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3, RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4, RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2, RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP, RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_CEC, RCC_APB1Periph_TIM12, RCC_APB1Periph_TIM13, RCC_APB1Periph_TIM14
NewState,: new state of the specified peripheral clock. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1126 of file stm32f10x_rcc.c.
void RCC_APB1PeriphResetCmd | ( | uint32_t | RCC_APB1Periph, |
FunctionalState | NewState | ||
) |
Forces or releases Low Speed APB (APB1) peripheral reset.
- Parameters:
-
RCC_APB1Periph,: specifies the APB1 peripheral to reset. This parameter can be any combination of the following values: - RCC_APB1Periph_TIM2, RCC_APB1Periph_TIM3, RCC_APB1Periph_TIM4, RCC_APB1Periph_TIM5, RCC_APB1Periph_TIM6, RCC_APB1Periph_TIM7, RCC_APB1Periph_WWDG, RCC_APB1Periph_SPI2, RCC_APB1Periph_SPI3, RCC_APB1Periph_USART2, RCC_APB1Periph_USART3, RCC_APB1Periph_USART4, RCC_APB1Periph_USART5, RCC_APB1Periph_I2C1, RCC_APB1Periph_I2C2, RCC_APB1Periph_USB, RCC_APB1Periph_CAN1, RCC_APB1Periph_BKP, RCC_APB1Periph_PWR, RCC_APB1Periph_DAC, RCC_APB1Periph_CEC, RCC_APB1Periph_TIM12, RCC_APB1Periph_TIM13, RCC_APB1Periph_TIM14
NewState,: new state of the specified peripheral clock. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1216 of file stm32f10x_rcc.c.
void RCC_APB2PeriphClockCmd | ( | uint32_t | RCC_APB2Periph, |
FunctionalState | NewState | ||
) |
Enables or disables the High Speed APB (APB2) peripheral clock.
- Parameters:
-
RCC_APB2Periph,: specifies the APB2 peripheral to gates its clock. This parameter can be any combination of the following values: - RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1, RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1, RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3, RCC_APB2Periph_TIM15, RCC_APB2Periph_TIM16, RCC_APB2Periph_TIM17, RCC_APB2Periph_TIM9, RCC_APB2Periph_TIM10, RCC_APB2Periph_TIM11
NewState,: new state of the specified peripheral clock. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1095 of file stm32f10x_rcc.c.
void RCC_APB2PeriphResetCmd | ( | uint32_t | RCC_APB2Periph, |
FunctionalState | NewState | ||
) |
Forces or releases High Speed APB (APB2) peripheral reset.
- Parameters:
-
RCC_APB2Periph,: specifies the APB2 peripheral to reset. This parameter can be any combination of the following values: - RCC_APB2Periph_AFIO, RCC_APB2Periph_GPIOA, RCC_APB2Periph_GPIOB, RCC_APB2Periph_GPIOC, RCC_APB2Periph_GPIOD, RCC_APB2Periph_GPIOE, RCC_APB2Periph_GPIOF, RCC_APB2Periph_GPIOG, RCC_APB2Periph_ADC1, RCC_APB2Periph_ADC2, RCC_APB2Periph_TIM1, RCC_APB2Periph_SPI1, RCC_APB2Periph_TIM8, RCC_APB2Periph_USART1, RCC_APB2Periph_ADC3, RCC_APB2Periph_TIM15, RCC_APB2Periph_TIM16, RCC_APB2Periph_TIM17, RCC_APB2Periph_TIM9, RCC_APB2Periph_TIM10, RCC_APB2Periph_TIM11
NewState,: new state of the specified peripheral reset. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1185 of file stm32f10x_rcc.c.
void RCC_BackupResetCmd | ( | FunctionalState | NewState ) |
Forces or releases the Backup domain reset.
- Parameters:
-
NewState,: new state of the Backup domain reset. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1237 of file stm32f10x_rcc.c.
void RCC_ClearFlag | ( | void | ) |
Clears the RCC reset flags.
- Note:
- The reset flags are: RCC_FLAG_PINRST, RCC_FLAG_PORRST, RCC_FLAG_SFTRST, RCC_FLAG_IWDGRST, RCC_FLAG_WWDGRST, RCC_FLAG_LPWRRST
- Parameters:
-
None
- Return values:
-
None
Definition at line 1371 of file stm32f10x_rcc.c.
void RCC_ClearITPendingBit | ( | uint8_t | RCC_IT ) |
Clears the RCC's interrupt pending bits.
- Parameters:
-
RCC_IT,: specifies the interrupt pending bit to clear.
For STM32_Connectivity_line_devices, this parameter can be any combination of the following values:
- RCC_IT_LSIRDY: LSI ready interrupt
- RCC_IT_LSERDY: LSE ready interrupt
- RCC_IT_HSIRDY: HSI ready interrupt
- RCC_IT_HSERDY: HSE ready interrupt
- RCC_IT_PLLRDY: PLL ready interrupt
- RCC_IT_PLL2RDY: PLL2 ready interrupt
- RCC_IT_PLL3RDY: PLL3 ready interrupt
- RCC_IT_CSS: Clock Security System interrupt
For other_STM32_devices, this parameter can be any combination of the following values:
- RCC_IT_LSIRDY: LSI ready interrupt
- RCC_IT_LSERDY: LSE ready interrupt
- RCC_IT_HSIRDY: HSI ready interrupt
- RCC_IT_HSERDY: HSE ready interrupt
- RCC_IT_PLLRDY: PLL ready interrupt
- RCC_IT_CSS: Clock Security System interrupt
- Return values:
-
None
Definition at line 1448 of file stm32f10x_rcc.c.
void RCC_ClockSecuritySystemCmd | ( | FunctionalState | NewState ) |
Enables or disables the Clock Security System.
- Parameters:
-
NewState,: new state of the Clock Security System.. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 1250 of file stm32f10x_rcc.c.
void RCC_DeInit | ( | void | ) |
Resets the RCC clock configuration to the default reset state.
- Parameters:
-
None
- Return values:
-
None
Definition at line 217 of file stm32f10x_rcc.c.
void RCC_GetClocksFreq | ( | RCC_ClocksTypeDef * | RCC_Clocks ) |
Returns the frequencies of different on chip clocks.
- Parameters:
-
RCC_Clocks,: pointer to a RCC_ClocksTypeDef structure which will hold the clocks frequencies.
- Note:
- The result of this function could be not correct when using fractional value for HSE crystal.
- Return values:
-
None
Definition at line 908 of file stm32f10x_rcc.c.
FlagStatus RCC_GetFlagStatus | ( | uint8_t | RCC_FLAG ) |
Checks whether the specified RCC flag is set or not.
- Parameters:
-
RCC_FLAG,: specifies the flag to check.
For STM32_Connectivity_line_devices, this parameter can be one of the following values:
- RCC_FLAG_HSIRDY: HSI oscillator clock ready
- RCC_FLAG_HSERDY: HSE oscillator clock ready
- RCC_FLAG_PLLRDY: PLL clock ready
- RCC_FLAG_PLL2RDY: PLL2 clock ready
- RCC_FLAG_PLL3RDY: PLL3 clock ready
- RCC_FLAG_LSERDY: LSE oscillator clock ready
- RCC_FLAG_LSIRDY: LSI oscillator clock ready
- RCC_FLAG_PINRST: Pin reset
- RCC_FLAG_PORRST: POR/PDR reset
- RCC_FLAG_SFTRST: Software reset
- RCC_FLAG_IWDGRST: Independent Watchdog reset
- RCC_FLAG_WWDGRST: Window Watchdog reset
- RCC_FLAG_LPWRRST: Low Power reset
For other_STM32_devices, this parameter can be one of the following values:
- RCC_FLAG_HSIRDY: HSI oscillator clock ready
- RCC_FLAG_HSERDY: HSE oscillator clock ready
- RCC_FLAG_PLLRDY: PLL clock ready
- RCC_FLAG_LSERDY: LSE oscillator clock ready
- RCC_FLAG_LSIRDY: LSI oscillator clock ready
- RCC_FLAG_PINRST: Pin reset
- RCC_FLAG_PORRST: POR/PDR reset
- RCC_FLAG_SFTRST: Software reset
- RCC_FLAG_IWDGRST: Independent Watchdog reset
- RCC_FLAG_WWDGRST: Window Watchdog reset
- RCC_FLAG_LPWRRST: Low Power reset
- Return values:
-
The new state of RCC_FLAG (SET or RESET).
Definition at line 1326 of file stm32f10x_rcc.c.
ITStatus RCC_GetITStatus | ( | uint8_t | RCC_IT ) |
Checks whether the specified RCC interrupt has occurred or not.
- Parameters:
-
RCC_IT,: specifies the RCC interrupt source to check.
For STM32_Connectivity_line_devices, this parameter can be one of the following values:
- RCC_IT_LSIRDY: LSI ready interrupt
- RCC_IT_LSERDY: LSE ready interrupt
- RCC_IT_HSIRDY: HSI ready interrupt
- RCC_IT_HSERDY: HSE ready interrupt
- RCC_IT_PLLRDY: PLL ready interrupt
- RCC_IT_PLL2RDY: PLL2 ready interrupt
- RCC_IT_PLL3RDY: PLL3 ready interrupt
- RCC_IT_CSS: Clock Security System interrupt
For other_STM32_devices, this parameter can be one of the following values:
- RCC_IT_LSIRDY: LSI ready interrupt
- RCC_IT_LSERDY: LSE ready interrupt
- RCC_IT_HSIRDY: HSI ready interrupt
- RCC_IT_HSERDY: HSE ready interrupt
- RCC_IT_PLLRDY: PLL ready interrupt
- RCC_IT_CSS: Clock Security System interrupt
- Return values:
-
The new state of RCC_IT (SET or RESET).
Definition at line 1402 of file stm32f10x_rcc.c.
uint8_t RCC_GetSYSCLKSource | ( | void | ) |
Returns the clock source used as system clock.
- Parameters:
-
None
- Return values:
-
The clock source used as system clock. The returned value can be one of the following: - 0x00: HSI used as system clock
- 0x04: HSE used as system clock
- 0x08: PLL used as system clock
Definition at line 587 of file stm32f10x_rcc.c.
void RCC_HCLKConfig | ( | uint32_t | RCC_SYSCLK ) |
Configures the AHB clock (HCLK).
- Parameters:
-
RCC_SYSCLK,: defines the AHB clock divider. This clock is derived from the system clock (SYSCLK). This parameter can be one of the following values: - RCC_SYSCLK_Div1: AHB clock = SYSCLK
- RCC_SYSCLK_Div2: AHB clock = SYSCLK/2
- RCC_SYSCLK_Div4: AHB clock = SYSCLK/4
- RCC_SYSCLK_Div8: AHB clock = SYSCLK/8
- RCC_SYSCLK_Div16: AHB clock = SYSCLK/16
- RCC_SYSCLK_Div64: AHB clock = SYSCLK/64
- RCC_SYSCLK_Div128: AHB clock = SYSCLK/128
- RCC_SYSCLK_Div256: AHB clock = SYSCLK/256
- RCC_SYSCLK_Div512: AHB clock = SYSCLK/512
- Return values:
-
None
Definition at line 608 of file stm32f10x_rcc.c.
void RCC_HSEConfig | ( | uint32_t | RCC_HSE ) |
Configures the External High Speed oscillator (HSE).
- Note:
- HSE can not be stopped if it is used directly or through the PLL as system clock.
- Parameters:
-
RCC_HSE,: specifies the new state of the HSE. This parameter can be one of the following values: - RCC_HSE_OFF: HSE oscillator OFF
- RCC_HSE_ON: HSE oscillator ON
- RCC_HSE_Bypass: HSE oscillator bypassed with external clock
- Return values:
-
None
Definition at line 270 of file stm32f10x_rcc.c.
void RCC_HSICmd | ( | FunctionalState | NewState ) |
Enables or disables the Internal High Speed oscillator (HSI).
- Note:
- HSI can not be stopped if it is used directly or through the PLL as system clock.
- Parameters:
-
NewState,: new state of the HSI. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 354 of file stm32f10x_rcc.c.
void RCC_I2S2CLKConfig | ( | uint32_t | RCC_I2S2CLKSource ) |
Configures the I2S2 clock source(I2S2CLK).
- Note:
- This function must be called before enabling I2S2 APB clock.
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_I2S2CLKSource,: specifies the I2S2 clock source. This parameter can be one of the following values: - RCC_I2S2CLKSource_SYSCLK: system clock selected as I2S2 clock entry
- RCC_I2S2CLKSource_PLL3_VCO: PLL3 VCO clock selected as I2S2 clock entry
- Return values:
-
None
Definition at line 792 of file stm32f10x_rcc.c.
void RCC_I2S3CLKConfig | ( | uint32_t | RCC_I2S3CLKSource ) |
Configures the I2S3 clock source(I2S2CLK).
- Note:
- This function must be called before enabling I2S3 APB clock.
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_I2S3CLKSource,: specifies the I2S3 clock source. This parameter can be one of the following values: - RCC_I2S3CLKSource_SYSCLK: system clock selected as I2S3 clock entry
- RCC_I2S3CLKSource_PLL3_VCO: PLL3 VCO clock selected as I2S3 clock entry
- Return values:
-
None
Definition at line 811 of file stm32f10x_rcc.c.
void RCC_ITConfig | ( | uint8_t | RCC_IT, |
FunctionalState | NewState | ||
) |
Enables or disables the specified RCC interrupts.
- Parameters:
-
RCC_IT,: specifies the RCC interrupt sources to be enabled or disabled.
For STM32_Connectivity_line_devices, this parameter can be any combination of the following values
- RCC_IT_LSIRDY: LSI ready interrupt
- RCC_IT_LSERDY: LSE ready interrupt
- RCC_IT_HSIRDY: HSI ready interrupt
- RCC_IT_HSERDY: HSE ready interrupt
- RCC_IT_PLLRDY: PLL ready interrupt
- RCC_IT_PLL2RDY: PLL2 ready interrupt
- RCC_IT_PLL3RDY: PLL3 ready interrupt
For other_STM32_devices, this parameter can be any combination of the following values
- RCC_IT_LSIRDY: LSI ready interrupt
- RCC_IT_LSERDY: LSE ready interrupt
- RCC_IT_HSIRDY: HSI ready interrupt
- RCC_IT_HSERDY: HSE ready interrupt
- RCC_IT_PLLRDY: PLL ready interrupt
- Parameters:
-
NewState,: new state of the specified RCC interrupts. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 700 of file stm32f10x_rcc.c.
void RCC_LSEConfig | ( | uint8_t | RCC_LSE ) |
Configures the External Low Speed oscillator (LSE).
- Parameters:
-
RCC_LSE,: specifies the new state of the LSE. This parameter can be one of the following values: - RCC_LSE_OFF: LSE oscillator OFF
- RCC_LSE_ON: LSE oscillator ON
- RCC_LSE_Bypass: LSE oscillator bypassed with external clock
- Return values:
-
None
Definition at line 829 of file stm32f10x_rcc.c.
void RCC_LSICmd | ( | FunctionalState | NewState ) |
Enables or disables the Internal Low Speed oscillator (LSI).
- Note:
- LSI can not be disabled if the IWDG is running.
- Parameters:
-
NewState,: new state of the LSI. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 862 of file stm32f10x_rcc.c.
void RCC_MCOConfig | ( | uint8_t | RCC_MCO ) |
Selects the clock source to output on MCO pin.
- Parameters:
-
RCC_MCO,: specifies the clock source to output.
For STM32_Connectivity_line_devices, this parameter can be one of the following values:
- RCC_MCO_NoClock: No clock selected
- RCC_MCO_SYSCLK: System clock selected
- RCC_MCO_HSI: HSI oscillator clock selected
- RCC_MCO_HSE: HSE oscillator clock selected
- RCC_MCO_PLLCLK_Div2: PLL clock divided by 2 selected
- RCC_MCO_PLL2CLK: PLL2 clock selected
- RCC_MCO_PLL3CLK_Div2: PLL3 clock divided by 2 selected
- RCC_MCO_XT1: External 3-25 MHz oscillator clock selected
- RCC_MCO_PLL3CLK: PLL3 clock selected
For other_STM32_devices, this parameter can be one of the following values:
- RCC_MCO_NoClock: No clock selected
- RCC_MCO_SYSCLK: System clock selected
- RCC_MCO_HSI: HSI oscillator clock selected
- RCC_MCO_HSE: HSE oscillator clock selected
- RCC_MCO_PLLCLK_Div2: PLL clock divided by 2 selected
- Return values:
-
None
Definition at line 1282 of file stm32f10x_rcc.c.
void RCC_OTGFSCLKConfig | ( | uint32_t | RCC_OTGFSCLKSource ) |
Configures the USB OTG FS clock (OTGFSCLK).
This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_OTGFSCLKSource,: specifies the USB OTG FS clock source. This clock is derived from the PLL output. This parameter can be one of the following values: - RCC_OTGFSCLKSource_PLLVCO_Div3: PLL VCO clock divided by 2 selected as USB OTG FS clock source
- RCC_OTGFSCLKSource_PLLVCO_Div2: PLL VCO clock divided by 2 selected as USB OTG FS clock source
- Return values:
-
None
Definition at line 746 of file stm32f10x_rcc.c.
void RCC_PCLK1Config | ( | uint32_t | RCC_HCLK ) |
Configures the Low Speed APB clock (PCLK1).
- Parameters:
-
RCC_HCLK,: defines the APB1 clock divider. This clock is derived from the AHB clock (HCLK). This parameter can be one of the following values: - RCC_HCLK_Div1: APB1 clock = HCLK
- RCC_HCLK_Div2: APB1 clock = HCLK/2
- RCC_HCLK_Div4: APB1 clock = HCLK/4
- RCC_HCLK_Div8: APB1 clock = HCLK/8
- RCC_HCLK_Div16: APB1 clock = HCLK/16
- Return values:
-
None
Definition at line 634 of file stm32f10x_rcc.c.
void RCC_PCLK2Config | ( | uint32_t | RCC_HCLK ) |
Configures the High Speed APB clock (PCLK2).
- Parameters:
-
RCC_HCLK,: defines the APB2 clock divider. This clock is derived from the AHB clock (HCLK). This parameter can be one of the following values: - RCC_HCLK_Div1: APB2 clock = HCLK
- RCC_HCLK_Div2: APB2 clock = HCLK/2
- RCC_HCLK_Div4: APB2 clock = HCLK/4
- RCC_HCLK_Div8: APB2 clock = HCLK/8
- RCC_HCLK_Div16: APB2 clock = HCLK/16
- Return values:
-
None
Definition at line 660 of file stm32f10x_rcc.c.
void RCC_PLL2Cmd | ( | FunctionalState | NewState ) |
Enables or disables the PLL2.
- Note:
- The PLL2 can not be disabled if it is used indirectly as system clock (i.e. it is used as PLL clock entry that is used as System clock).
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
NewState,: new state of the PLL2. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 505 of file stm32f10x_rcc.c.
void RCC_PLL2Config | ( | uint32_t | RCC_PLL2Mul ) |
Configures the PLL2 multiplication factor.
- Note:
- This function must be used only when the PLL2 is disabled.
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_PLL2Mul,: specifies the PLL2 multiplication factor. This parameter can be RCC_PLL2Mul_x where x:{[8,14], 16, 20}
- Return values:
-
None
Definition at line 479 of file stm32f10x_rcc.c.
void RCC_PLL3Cmd | ( | FunctionalState | NewState ) |
Enables or disables the PLL3.
- Note:
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
NewState,: new state of the PLL3. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 546 of file stm32f10x_rcc.c.
void RCC_PLL3Config | ( | uint32_t | RCC_PLL3Mul ) |
Configures the PLL3 multiplication factor.
- Note:
- This function must be used only when the PLL3 is disabled.
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_PLL3Mul,: specifies the PLL3 multiplication factor. This parameter can be RCC_PLL3Mul_x where x:{[8,14], 16, 20}
- Return values:
-
None
Definition at line 523 of file stm32f10x_rcc.c.
void RCC_PLLCmd | ( | FunctionalState | NewState ) |
Enables or disables the PLL.
- Note:
- The PLL can not be disabled if it is used as system clock.
- Parameters:
-
NewState,: new state of the PLL. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 401 of file stm32f10x_rcc.c.
void RCC_PLLConfig | ( | uint32_t | RCC_PLLSource, |
uint32_t | RCC_PLLMul | ||
) |
Configures the PLL clock source and multiplication factor.
- Note:
- This function must be used only when the PLL is disabled.
- Parameters:
-
RCC_PLLSource,: specifies the PLL entry clock source. For STM32_Connectivity_line_devices or STM32_Value_line_devices, this parameter can be one of the following values: - RCC_PLLSource_HSI_Div2: HSI oscillator clock divided by 2 selected as PLL clock entry
- RCC_PLLSource_PREDIV1: PREDIV1 clock selected as PLL clock entry For other_STM32_devices, this parameter can be one of the following values:
- RCC_PLLSource_HSI_Div2: HSI oscillator clock divided by 2 selected as PLL clock entry
- RCC_PLLSource_HSE_Div1: HSE oscillator clock selected as PLL clock entry
- RCC_PLLSource_HSE_Div2: HSE oscillator clock divided by 2 selected as PLL clock entry
RCC_PLLMul,: specifies the PLL multiplication factor. For STM32_Connectivity_line_devices, this parameter can be RCC_PLLMul_x where x:{[4,9], 6_5} For other_STM32_devices, this parameter can be RCC_PLLMul_x where x:[2,16]
- Return values:
-
None
Definition at line 378 of file stm32f10x_rcc.c.
void RCC_PREDIV1Config | ( | uint32_t | RCC_PREDIV1_Source, |
uint32_t | RCC_PREDIV1_Div | ||
) |
Configures the PREDIV1 division factor.
- Note:
- This function must be used only when the PLL is disabled.
- This function applies only to STM32 Connectivity line and Value line devices.
- Parameters:
-
RCC_PREDIV1_Source,: specifies the PREDIV1 clock source. This parameter can be one of the following values: - RCC_PREDIV1_Source_HSE: HSE selected as PREDIV1 clock
- RCC_PREDIV1_Source_PLL2: PLL2 selected as PREDIV1 clock
- Note:
- For STM32_Value_line_devices this parameter is always RCC_PREDIV1_Source_HSE
- Parameters:
-
RCC_PREDIV1_Div,: specifies the PREDIV1 clock division factor. This parameter can be RCC_PREDIV1_Divx where x:[1,16]
- Return values:
-
None
Definition at line 426 of file stm32f10x_rcc.c.
void RCC_PREDIV2Config | ( | uint32_t | RCC_PREDIV2_Div ) |
Configures the PREDIV2 division factor.
- Note:
- This function must be used only when both PLL2 and PLL3 are disabled.
- This function applies only to STM32 Connectivity line devices.
- Parameters:
-
RCC_PREDIV2_Div,: specifies the PREDIV2 clock division factor. This parameter can be RCC_PREDIV2_Divx where x:[1,16]
- Return values:
-
None
Definition at line 454 of file stm32f10x_rcc.c.
void RCC_RTCCLKCmd | ( | FunctionalState | NewState ) |
Enables or disables the RTC clock.
- Note:
- This function must be used only after the RTC clock was selected using the RCC_RTCCLKConfig function.
- Parameters:
-
NewState,: new state of the RTC clock. This parameter can be: ENABLE or DISABLE.
- Return values:
-
None
Definition at line 893 of file stm32f10x_rcc.c.
void RCC_RTCCLKConfig | ( | uint32_t | RCC_RTCCLKSource ) |
Configures the RTC clock (RTCCLK).
- Note:
- Once the RTC clock is selected it can't be changed unless the Backup domain is reset.
- Parameters:
-
RCC_RTCCLKSource,: specifies the RTC clock source. This parameter can be one of the following values: - RCC_RTCCLKSource_LSE: LSE selected as RTC clock
- RCC_RTCCLKSource_LSI: LSI selected as RTC clock
- RCC_RTCCLKSource_HSE_Div128: HSE clock divided by 128 selected as RTC clock
- Return values:
-
None
Definition at line 879 of file stm32f10x_rcc.c.
void RCC_SYSCLKConfig | ( | uint32_t | RCC_SYSCLKSource ) |
Configures the system clock (SYSCLK).
- Parameters:
-
RCC_SYSCLKSource,: specifies the clock source used as system clock. This parameter can be one of the following values: - RCC_SYSCLKSource_HSI: HSI selected as system clock
- RCC_SYSCLKSource_HSE: HSE selected as system clock
- RCC_SYSCLKSource_PLLCLK: PLL selected as system clock
- Return values:
-
None
Definition at line 564 of file stm32f10x_rcc.c.
void RCC_USBCLKConfig | ( | uint32_t | RCC_USBCLKSource ) |
Configures the USB clock (USBCLK).
- Parameters:
-
RCC_USBCLKSource,: specifies the USB clock source. This clock is derived from the PLL output. This parameter can be one of the following values: - RCC_USBCLKSource_PLLCLK_1Div5: PLL clock divided by 1,5 selected as USB clock source
- RCC_USBCLKSource_PLLCLK_Div1: PLL clock selected as USB clock source
- Return values:
-
None
Definition at line 728 of file stm32f10x_rcc.c.
ErrorStatus RCC_WaitForHSEStartUp | ( | void | ) |
Waits for HSE start-up.
- Parameters:
-
None
- Return values:
-
An ErrorStatus enumuration value: - SUCCESS: HSE oscillator is stable and ready to use
- ERROR: HSE oscillator not yet ready
Definition at line 304 of file stm32f10x_rcc.c.
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