PLL时钟源

宏定义
#define	RCC_PLLSOURCE_NONE   0x00000000U
#define	RCC_PLLSOURCE_HSI   RCC_PLLCFGR_PLLSRC_HSI
#define	RCC_PLLSOURCE_HSE   RCC_PLLCFGR_PLLSRC_HSE

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宏定义文档

#define RCC_PLLSOURCE_HSE   RCC_PLLCFGR_PLLSRC_HSE

选择HSE时钟作为PLL输入时钟源

Definition at line 299 of file stm32g4xx_hal_rcc.h.

Referenced by HAL_RCC_GetSysClockFreq(), HAL_RCC_OscConfig(), HAL_RCCEx_GetPeriphCLKFreq(), and RCC_GetSysClockFreqFromPLLSource().

#define RCC_PLLSOURCE_HSI   RCC_PLLCFGR_PLLSRC_HSI

选择HSI时钟作为PLL输入时钟源

Definition at line 298 of file stm32g4xx_hal_rcc.h.

Referenced by HAL_RCC_GetSysClockFreq(), HAL_RCC_OscConfig(), HAL_RCCEx_GetPeriphCLKFreq(), and RCC_GetSysClockFreqFromPLLSource().

#define RCC_PLLSOURCE_NONE   0x00000000U

未选择时钟作为PLL输入时钟源

Definition at line 297 of file stm32g4xx_hal_rcc.h.