HSE

Functions
__STATIC_INLINE void	LL_RCC_HSE_EnableCSS (void)
	Enable the Clock Security System.
__STATIC_INLINE void	LL_RCC_HSE_EnableBypass (void)
	Enable HSE external oscillator (HSE Bypass)
__STATIC_INLINE void	LL_RCC_HSE_DisableBypass (void)
	Disable HSE external oscillator (HSE Bypass)
__STATIC_INLINE void	LL_RCC_HSE_Enable (void)
	Enable HSE crystal oscillator (HSE ON)
__STATIC_INLINE void	LL_RCC_HSE_Disable (void)
	Disable HSE crystal oscillator (HSE ON)
__STATIC_INLINE uint32_t	LL_RCC_HSE_IsReady (void)
	Check if HSE oscillator Ready.

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Function Documentation

__STATIC_INLINE void LL_RCC_HSE_Disable

(

void

)

Disable HSE crystal oscillator (HSE ON)

Reference Manual to LL API cross reference:

CR HSEON LL_RCC_HSE_Disable

Return values:

None

Definition at line 1681 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE void LL_RCC_HSE_DisableBypass

(

void

)

Disable HSE external oscillator (HSE Bypass)

Reference Manual to LL API cross reference:

CR HSEBYP LL_RCC_HSE_DisableBypass

Return values:

None

Definition at line 1639 of file stm32h7xx_ll_rcc.h.

Referenced by LL_PLL_ConfigSystemClock_HSE().

__STATIC_INLINE void LL_RCC_HSE_Enable

(

void

)

Enable HSE crystal oscillator (HSE ON)

Reference Manual to LL API cross reference:

CR HSEON LL_RCC_HSE_Enable

Return values:

None

Definition at line 1671 of file stm32h7xx_ll_rcc.h.

Referenced by LL_PLL_ConfigSystemClock_HSE().

__STATIC_INLINE void LL_RCC_HSE_EnableBypass

(

void

)

Enable HSE external oscillator (HSE Bypass)

Reference Manual to LL API cross reference:

CR HSEBYP LL_RCC_HSE_EnableBypass

Return values:

None

Definition at line 1629 of file stm32h7xx_ll_rcc.h.

Referenced by LL_PLL_ConfigSystemClock_HSE().

__STATIC_INLINE void LL_RCC_HSE_EnableCSS

(

void

)

Enable the Clock Security System.

Note:

Once HSE Clock Security System is enabled it cannot be changed anymore unless a reset occurs or system enter in standby mode.

Reference Manual to LL API cross reference:

CR CSSHSEON LL_RCC_HSE_EnableCSS

Return values:

None

Definition at line 1619 of file stm32h7xx_ll_rcc.h.

__STATIC_INLINE uint32_t LL_RCC_HSE_IsReady

(

void

)

Check if HSE oscillator Ready.

Reference Manual to LL API cross reference:

CR HSERDY LL_RCC_HSE_IsReady

Return values:

State

of bit (1 or 0).

Definition at line 1691 of file stm32h7xx_ll_rcc.h.

Referenced by LL_PLL_ConfigSystemClock_HSE(), LL_RCC_GetCLKPClockFreq(), LL_RCC_GetFDCANClockFreq(), LL_RCC_GetPLL1ClockFreq(), LL_RCC_GetPLL2ClockFreq(), LL_RCC_GetPLL3ClockFreq(), and LL_RCC_GetSPIClockFreq().