Functions
__STATIC_INLINE void	LL_RCC_PLL_Enable (void)
	Enable PLL.
__STATIC_INLINE void	LL_RCC_PLL_Disable (void)
	Disable PLL.
__STATIC_INLINE uint32_t	LL_RCC_PLL_IsReady (void)
	Check if PLL Ready.
__STATIC_INLINE void	LL_RCC_PLL_ConfigDomain_SYS (uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLR)
	Configure PLL used for SYSCLK Domain.
__STATIC_INLINE void	LL_RCC_PLL_ConfigDomain_SAI (uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLP)
	Configure PLL used for SAI domain clock.
__STATIC_INLINE void	LL_RCC_PLL_ConfigDomain_48M (uint32_t Source, uint32_t PLLM, uint32_t PLLN, uint32_t PLLQ)
	Configure PLL used for 48Mhz domain clock.
__STATIC_INLINE void	LL_RCC_PLL_SetMainSource (uint32_t PLLSource)
	Configure PLL clock source.
__STATIC_INLINE uint32_t	LL_RCC_PLL_GetMainSource (void)
	Get the oscillator used as PLL clock source.
__STATIC_INLINE uint32_t	LL_RCC_PLL_GetN (void)
	Get Main PLL multiplication factor for VCO.
__STATIC_INLINE uint32_t	LL_RCC_PLL_GetP (void)
	Get Main PLL division factor for PLLP.
__STATIC_INLINE uint32_t	LL_RCC_PLL_GetQ (void)
	Get Main PLL division factor for PLLQ.
__STATIC_INLINE uint32_t	LL_RCC_PLL_GetR (void)
	Get Main PLL division factor for PLLR.
__STATIC_INLINE uint32_t	LL_RCC_PLL_GetDivider (void)
	Get Division factor for the main PLL and other PLL.
__STATIC_INLINE void	LL_RCC_PLL_EnableDomain_SAI (void)
	Enable PLL output mapped on SAI domain clock.
__STATIC_INLINE void	LL_RCC_PLL_DisableDomain_SAI (void)
	Disable PLL output mapped on SAI domain clock.
__STATIC_INLINE void	LL_RCC_PLL_EnableDomain_48M (void)
	Enable PLL output mapped on 48MHz domain clock.
__STATIC_INLINE void	LL_RCC_PLL_DisableDomain_48M (void)
	Disable PLL output mapped on 48MHz domain clock.
__STATIC_INLINE void	LL_RCC_PLL_EnableDomain_SYS (void)
	Enable PLL output mapped on SYSCLK domain.
__STATIC_INLINE void	LL_RCC_PLL_DisableDomain_SYS (void)
	Disable PLL output mapped on SYSCLK domain.

Function Documentation

__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_48M	(	uint32_t	Source,
		uint32_t	PLLM,
		uint32_t	PLLN,
		uint32_t	PLLQ
	)

Configure PLL used for 48Mhz domain clock.

Note:: PLL Source and PLLM Divider can be written only when PLL, PLLSAI1 and PLLSAI2 (*) are disabled.; PLLN/PLLQ can be written only when PLL is disabled.; This can be selected for USB, RNG, SDMMC

Reference Manual to LL API cross reference:: PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_48M
PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_48M
PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_48M
PLLCFGR PLLQ LL_RCC_PLL_ConfigDomain_48M

Parameters:

Source	This parameter can be one of the following values: LL_RCC_PLLSOURCE_NONE LL_RCC_PLLSOURCE_MSI LL_RCC_PLLSOURCE_HSI LL_RCC_PLLSOURCE_HSE
PLLM	This parameter can be one of the following values: LL_RCC_PLLM_DIV_1 LL_RCC_PLLM_DIV_2 LL_RCC_PLLM_DIV_3 LL_RCC_PLLM_DIV_4 LL_RCC_PLLM_DIV_5 LL_RCC_PLLM_DIV_6 LL_RCC_PLLM_DIV_7 LL_RCC_PLLM_DIV_8 LL_RCC_PLLM_DIV_9 () LL_RCC_PLLM_DIV_10 () LL_RCC_PLLM_DIV_11 () LL_RCC_PLLM_DIV_12 () LL_RCC_PLLM_DIV_13 () LL_RCC_PLLM_DIV_14 () LL_RCC_PLLM_DIV_15 () LL_RCC_PLLM_DIV_16 () (*) value not defined in all devices.
PLLN	Between 8 and 86
PLLQ	This parameter can be one of the following values: LL_RCC_PLLQ_DIV_2 LL_RCC_PLLQ_DIV_4 LL_RCC_PLLQ_DIV_6 LL_RCC_PLLQ_DIV_8

Return values:

None

Definition at line 3865 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SAI	(	uint32_t	Source,
		uint32_t	PLLM,
		uint32_t	PLLN,
		uint32_t	PLLP
	)

Configure PLL used for SAI domain clock.

Note:: PLL Source and PLLM Divider can be written only when PLL, PLLSAI1 and PLLSAI2 (*) are disabled.; PLLN/PLLP can be written only when PLL is disabled.; This can be selected for SAI1 or SAI2 (*)

Reference Manual to LL API cross reference:: PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_SAI
PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_SAI
PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_SAI
PLLCFGR PLLP LL_RCC_PLL_ConfigDomain_SAI

Parameters:

Source	This parameter can be one of the following values: LL_RCC_PLLSOURCE_NONE LL_RCC_PLLSOURCE_MSI LL_RCC_PLLSOURCE_HSI LL_RCC_PLLSOURCE_HSE
PLLM	This parameter can be one of the following values: LL_RCC_PLLM_DIV_1 LL_RCC_PLLM_DIV_2 LL_RCC_PLLM_DIV_3 LL_RCC_PLLM_DIV_4 LL_RCC_PLLM_DIV_5 LL_RCC_PLLM_DIV_6 LL_RCC_PLLM_DIV_7 LL_RCC_PLLM_DIV_8
PLLN	Between 8 and 86
PLLP	This parameter can be one of the following values: LL_RCC_PLLP_DIV_7 LL_RCC_PLLP_DIV_17

Return values:

None

Definition at line 3812 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_ConfigDomain_SYS	(	uint32_t	Source,
		uint32_t	PLLM,
		uint32_t	PLLN,
		uint32_t	PLLR
	)

Configure PLL used for SYSCLK Domain.

Note:: PLL Source and PLLM Divider can be written only when PLL, PLLSAI1 and PLLSAI2 (*) are disabled.; PLLN/PLLR can be written only when PLL is disabled.

Reference Manual to LL API cross reference:: PLLCFGR PLLSRC LL_RCC_PLL_ConfigDomain_SYS
PLLCFGR PLLM LL_RCC_PLL_ConfigDomain_SYS
PLLCFGR PLLN LL_RCC_PLL_ConfigDomain_SYS
PLLCFGR PLLR LL_RCC_PLL_ConfigDomain_SYS

Parameters:

Source	This parameter can be one of the following values: LL_RCC_PLLSOURCE_NONE LL_RCC_PLLSOURCE_MSI LL_RCC_PLLSOURCE_HSI LL_RCC_PLLSOURCE_HSE
PLLM	This parameter can be one of the following values: LL_RCC_PLLM_DIV_1 LL_RCC_PLLM_DIV_2 LL_RCC_PLLM_DIV_3 LL_RCC_PLLM_DIV_4 LL_RCC_PLLM_DIV_5 LL_RCC_PLLM_DIV_6 LL_RCC_PLLM_DIV_7 LL_RCC_PLLM_DIV_8 LL_RCC_PLLM_DIV_9 () LL_RCC_PLLM_DIV_10 () LL_RCC_PLLM_DIV_11 () LL_RCC_PLLM_DIV_12 () LL_RCC_PLLM_DIV_13 () LL_RCC_PLLM_DIV_14 () LL_RCC_PLLM_DIV_15 () LL_RCC_PLLM_DIV_16 () (*) value not defined in all devices.
PLLN	Between 8 and 86
PLLR	This parameter can be one of the following values: LL_RCC_PLLR_DIV_2 LL_RCC_PLLR_DIV_4 LL_RCC_PLLR_DIV_6 LL_RCC_PLLR_DIV_8

Return values:

None

Definition at line 3705 of file stm32l4xx_ll_rcc.h.

Referenced by LL_PLL_ConfigSystemClock_HSE(), LL_PLL_ConfigSystemClock_HSI(), and LL_PLL_ConfigSystemClock_MSI().

__STATIC_INLINE void LL_RCC_PLL_Disable ( void )

Disable PLL.

Note:: Cannot be disabled if the PLL clock is used as the system clock

Reference Manual to LL API cross reference:: CR PLLON LL_RCC_PLL_Disable

Return values:

None

Definition at line 3649 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_DisableDomain_48M ( void )

Disable PLL output mapped on 48MHz domain clock.

Note:: Cannot be disabled if the PLL clock is used as the system clock; In order to save power, when the PLLCLK of the PLL is not used, should be 0

Reference Manual to LL API cross reference:: PLLCFGR PLLQEN LL_RCC_PLL_DisableDomain_48M

Return values:

None

Definition at line 4067 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_DisableDomain_SAI ( void )

Disable PLL output mapped on SAI domain clock.

Note:: Cannot be disabled if the PLL clock is used as the system clock; In order to save power, when the PLLCLK of the PLL is not used, should be 0

Reference Manual to LL API cross reference:: PLLCFGR PLLPEN LL_RCC_PLL_DisableDomain_SAI

Return values:

None

Definition at line 4043 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_DisableDomain_SYS ( void )

Disable PLL output mapped on SYSCLK domain.

Note:: Cannot be disabled if the PLL clock is used as the system clock; In order to save power, when the PLLCLK of the PLL is not used, Main PLL should be 0

Reference Manual to LL API cross reference:: PLLCFGR PLLREN LL_RCC_PLL_DisableDomain_SYS

Return values:

None

Definition at line 4091 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_Enable ( void )

Enable PLL.

Reference Manual to LL API cross reference:: CR PLLON LL_RCC_PLL_Enable

Return values:

None

Definition at line 3638 of file stm32l4xx_ll_rcc.h.

Referenced by UTILS_EnablePLLAndSwitchSystem().

__STATIC_INLINE void LL_RCC_PLL_EnableDomain_48M ( void )

Enable PLL output mapped on 48MHz domain clock.

Reference Manual to LL API cross reference:: PLLCFGR PLLQEN LL_RCC_PLL_EnableDomain_48M

Return values:

None

Definition at line 4053 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_EnableDomain_SAI ( void )

Enable PLL output mapped on SAI domain clock.

Reference Manual to LL API cross reference:: PLLCFGR PLLPEN LL_RCC_PLL_EnableDomain_SAI

Return values:

None

Definition at line 4029 of file stm32l4xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_PLL_EnableDomain_SYS ( void )

Enable PLL output mapped on SYSCLK domain.

Reference Manual to LL API cross reference:: PLLCFGR PLLREN LL_RCC_PLL_EnableDomain_SYS

Return values:

None

Definition at line 4077 of file stm32l4xx_ll_rcc.h.

Referenced by UTILS_EnablePLLAndSwitchSystem().

__STATIC_INLINE uint32_t LL_RCC_PLL_GetDivider ( void )

Get Division factor for the main PLL and other PLL.

Reference Manual to LL API cross reference:: PLLCFGR PLLM LL_RCC_PLL_GetDivider

Return values:

Returned

value can be one of the following values:

LL_RCC_PLLM_DIV_1
LL_RCC_PLLM_DIV_2
LL_RCC_PLLM_DIV_3
LL_RCC_PLLM_DIV_4
LL_RCC_PLLM_DIV_5
LL_RCC_PLLM_DIV_6
LL_RCC_PLLM_DIV_7
LL_RCC_PLLM_DIV_8
LL_RCC_PLLM_DIV_9 (*)
LL_RCC_PLLM_DIV_10 (*)
LL_RCC_PLLM_DIV_11 (*)
LL_RCC_PLLM_DIV_12 (*)
LL_RCC_PLLM_DIV_13 (*)
LL_RCC_PLLM_DIV_14 (*)
LL_RCC_PLLM_DIV_15 (*)
LL_RCC_PLLM_DIV_16 (*)

(*) value not defined in all devices.

Definition at line 4019 of file stm32l4xx_ll_rcc.h.

Referenced by RCC_PLL_GetFreqDomain_48M(), RCC_PLL_GetFreqDomain_SAI(), RCC_PLL_GetFreqDomain_SYS(), RCC_PLLSAI1_GetFreqDomain_48M(), RCC_PLLSAI1_GetFreqDomain_ADC(), RCC_PLLSAI1_GetFreqDomain_SAI(), RCC_PLLSAI2_GetFreqDomain_ADC(), and RCC_PLLSAI2_GetFreqDomain_SAI().

__STATIC_INLINE uint32_t LL_RCC_PLL_GetMainSource ( void )

Get the oscillator used as PLL clock source.

Reference Manual to LL API cross reference:: PLLCFGR PLLSRC LL_RCC_PLL_GetMainSource

Return values:

Returned

value can be one of the following values:

Definition at line 3895 of file stm32l4xx_ll_rcc.h.

Referenced by RCC_PLL_GetFreqDomain_48M(), RCC_PLL_GetFreqDomain_SAI(), RCC_PLL_GetFreqDomain_SYS(), RCC_PLLSAI1_GetFreqDomain_48M(), RCC_PLLSAI1_GetFreqDomain_ADC(), RCC_PLLSAI1_GetFreqDomain_SAI(), RCC_PLLSAI2_GetFreqDomain_ADC(), and RCC_PLLSAI2_GetFreqDomain_SAI().

__STATIC_INLINE uint32_t LL_RCC_PLL_GetN ( void )

Get Main PLL multiplication factor for VCO.

Reference Manual to LL API cross reference:: PLLCFGR PLLN LL_RCC_PLL_GetN

Return values:

Between 8 and 86

Definition at line 3905 of file stm32l4xx_ll_rcc.h.

Referenced by RCC_PLL_GetFreqDomain_48M(), RCC_PLL_GetFreqDomain_SAI(), and RCC_PLL_GetFreqDomain_SYS().

__STATIC_INLINE uint32_t LL_RCC_PLL_GetP ( void )

Get Main PLL division factor for PLLP.

Note:: Used for PLLSAI3CLK (SAI1 and SAI2 clock)

Reference Manual to LL API cross reference:: PLLCFGR PLLP LL_RCC_PLL_GetP

Return values:

Returned

value can be one of the following values:

Definition at line 3960 of file stm32l4xx_ll_rcc.h.

Referenced by RCC_PLL_GetFreqDomain_SAI().

__STATIC_INLINE uint32_t LL_RCC_PLL_GetQ ( void )

Get Main PLL division factor for PLLQ.

Note:: Used for PLL48M1CLK selected for USB, RNG, SDMMC (48 MHz clock)

Reference Manual to LL API cross reference:: PLLCFGR PLLQ LL_RCC_PLL_GetQ

Return values:

Returned

value can be one of the following values:

Definition at line 3976 of file stm32l4xx_ll_rcc.h.

Referenced by RCC_PLL_GetFreqDomain_48M().

__STATIC_INLINE uint32_t LL_RCC_PLL_GetR ( void )

Get Main PLL division factor for PLLR.

Note:: Used for PLLCLK (system clock)

Reference Manual to LL API cross reference:: PLLCFGR PLLR LL_RCC_PLL_GetR

Return values:

Returned

value can be one of the following values:

Definition at line 3991 of file stm32l4xx_ll_rcc.h.

Referenced by RCC_PLL_GetFreqDomain_SYS().

__STATIC_INLINE uint32_t LL_RCC_PLL_IsReady ( void )

Check if PLL Ready.

Reference Manual to LL API cross reference:: CR PLLRDY LL_RCC_PLL_IsReady

Return values:

State of bit (1 or 0).

Definition at line 3659 of file stm32l4xx_ll_rcc.h.

Referenced by LL_RCC_GetRNGClockFreq(), LL_RCC_GetSAIClockFreq(), LL_RCC_GetSDMMCClockFreq(), LL_RCC_GetUSBClockFreq(), UTILS_EnablePLLAndSwitchSystem(), and UTILS_PLL_IsBusy().

__STATIC_INLINE void LL_RCC_PLL_SetMainSource ( uint32_t PLLSource )

Configure PLL clock source.

Reference Manual to LL API cross reference:: PLLCFGR PLLSRC LL_RCC_PLL_SetMainSource

Parameters:

PLLSource

This parameter can be one of the following values:

Return values:

None

Definition at line 3881 of file stm32l4xx_ll_rcc.h.

Functions

Function Documentation