LSE

Functions
__STATIC_INLINE void	LL_RCC_LSE_EnableCSS (void)
	Enable the Clock Security System on LSE.
__STATIC_INLINE uint32_t	LL_RCC_LSE_IsFailureDetected (void)
	Check if LSE failure is detected by Clock Security System.
__STATIC_INLINE void	LL_RCC_LSE_Enable (void)
	Enable Low Speed External (LSE) crystal.
__STATIC_INLINE void	LL_RCC_LSE_Disable (void)
	Disable Low Speed External (LSE) crystal.
__STATIC_INLINE void	LL_RCC_LSE_EnableBypass (void)
	Enable external clock source (LSE bypass).
__STATIC_INLINE void	LL_RCC_LSE_DisableBypass (void)
	Disable external clock source (LSE bypass).
__STATIC_INLINE void	LL_RCC_LSE_SetDriveCapability (uint32_t LSEDrive)
	Set LSE oscillator drive capability.
__STATIC_INLINE uint32_t	LL_RCC_LSE_GetDriveCapability (void)
	Get LSE oscillator drive capability.
__STATIC_INLINE uint32_t	LL_RCC_LSE_IsReady (void)
	Check if LSE oscillator Ready.

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Function Documentation

__STATIC_INLINE void LL_RCC_LSE_Disable

(

void

)

Disable Low Speed External (LSE) crystal.

Reference Manual to LL API cross reference:

BDCR LSEON LL_RCC_LSE_Disable

Return values:

None

Definition at line 2263 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_LSE_DisableBypass

(

void

)

Disable external clock source (LSE bypass).

Reference Manual to LL API cross reference:

BDCR LSEBYP LL_RCC_LSE_DisableBypass

Return values:

None

Definition at line 2283 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_LSE_Enable

(

void

)

Enable Low Speed External (LSE) crystal.

Reference Manual to LL API cross reference:

BDCR LSEON LL_RCC_LSE_Enable

Return values:

None

Definition at line 2253 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_LSE_EnableBypass

(

void

)

Enable external clock source (LSE bypass).

Reference Manual to LL API cross reference:

BDCR LSEBYP LL_RCC_LSE_EnableBypass

Return values:

None

Definition at line 2273 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_LSE_EnableCSS

(

void

)

Enable the Clock Security System on LSE.

Note:

Once LSE Clock Security System is enabled it cannot be changed anymore unless a clock failure is detected.

Reference Manual to LL API cross reference:

BDCR LSECSSON LL_RCC_LSE_EnableCSS

Return values:

None

Definition at line 2233 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE uint32_t LL_RCC_LSE_GetDriveCapability

(

void

)

Get LSE oscillator drive capability.

Reference Manual to LL API cross reference:

BDCR LSEDRV LL_RCC_LSE_GetDriveCapability

Return values:

Returned

value can be one of the following values: LL_RCC_LSEDRIVE_LOW LL_RCC_LSEDRIVE_MEDIUMLOW LL_RCC_LSEDRIVE_MEDIUMHIGH LL_RCC_LSEDRIVE_HIGH

Definition at line 2339 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE uint32_t LL_RCC_LSE_IsFailureDetected

(

void

)

Check if LSE failure is detected by Clock Security System.

Reference Manual to LL API cross reference:

BDCR LSECSSD LL_RCC_LSE_IsFailureDetected

Return values:

State

of bit (1 or 0).

Definition at line 2243 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE uint32_t LL_RCC_LSE_IsReady

(

void

)

Check if LSE oscillator Ready.

Reference Manual to LL API cross reference:

BDCR LSERDY LL_RCC_LSE_IsReady

Return values:

State

of bit (1 or 0).

Definition at line 2349 of file stm32h7xx_ll_rcc.h.

Referenced by LL_RCC_GetCECClockFreq(), LL_RCC_GetLPTIMClockFreq(), LL_RCC_GetLPUARTClockFreq(), LL_RCC_GetRNGClockFreq(), and LL_RCC_GetUSARTClockFreq().

__STATIC_INLINE void LL_RCC_LSE_SetDriveCapability

(

uint32_t

LSEDrive

)

Set LSE oscillator drive capability.

Note:

The oscillator is in Xtal mode when it is not in bypass mode.

Reference Manual to LL API cross reference:

BDCR LSEDRV LL_RCC_LSE_SetDriveCapability

Parameters:

LSEDrive

This parameter can be one of the following values: LL_RCC_LSEDRIVE_LOW LL_RCC_LSEDRIVE_MEDIUMLOW LL_RCC_LSEDRIVE_MEDIUMHIGH LL_RCC_LSEDRIVE_HIGH

Return values:

None

Definition at line 2325 of file stm32h7xx_ll_rcc.h.