Ll Rcc Generic Driver; Ll_Rcc_Clockstypedef; Ll_Rcc_Hse_Enablecss; Ll_Rcc_Hse_Enablebypass - ST STM32F2 User Manual

UM1940
62

LL RCC Generic Driver

62.1 RCC Firmware driver registers structures
62.1.1

LL_RCC_ClocksTypeDef

Data Fields
uint32_t SYSCLK_Frequency
uint32_t HCLK_Frequency
uint32_t PCLK1_Frequency
uint32_t PCLK2_Frequency
Field Documentation
uint32_t LL_RCC_ClocksTypeDef::SYSCLK_Frequency
SYSCLK clock frequency
uint32_t LL_RCC_ClocksTypeDef::HCLK_Frequency
HCLK clock frequency
uint32_t LL_RCC_ClocksTypeDef::PCLK1_Frequency
PCLK1 clock frequency
uint32_t LL_RCC_ClocksTypeDef::PCLK2_Frequency
PCLK2 clock frequency
62.2 RCC Firmware driver API description
62.2.1 Detailed description of functions

LL_RCC_HSE_EnableCSS

Function name
Function description
Return values
Reference Manual to
LL API cross
reference:

LL_RCC_HSE_EnableBypass

Function name
Function description
Return values
Reference Manual to
LL API cross
reference:
LL_RCC_HSE_DisableBypass
Function name
__STATIC_INLINE void LL_RCC_HSE_EnableCSS (void )
Enable the Clock Security System.
None:
CR CSSON LL_RCC_HSE_EnableCSS
__STATIC_INLINE void LL_RCC_HSE_EnableBypass (void )
Enable HSE external oscillator (HSE Bypass)
None:
CR HSEBYP LL_RCC_HSE_EnableBypass
__STATIC_INLINE void LL_RCC_HSE_DisableBypass (void )
DocID028236 Rev 2
LL RCC Generic Driver
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