System Clock Source Status

Collaboration diagram for System Clock Source Status:

Macros
#define	RCC_SYSCLKSOURCE_STATUS_HSI   RCC_CFGR_SWS_HSI
#define	RCC_SYSCLKSOURCE_STATUS_HSE   RCC_CFGR_SWS_HSE
#define	RCC_SYSCLKSOURCE_STATUS_PLLCLK   RCC_CFGR_SWS_PLL
#define	RCC_SYSCLKSOURCE_STATUS_PLLRCLK   ((uint32_t)(RCC_CFGR_SWS_0 | RCC_CFGR_SWS_1))

Detailed Description

Note

The RCC_SYSCLKSOURCE_STATUS_PLLRCLK parameter is available only for STM32F446xx devices.

Macro Definition Documentation

RCC_SYSCLKSOURCE_STATUS_HSI

#define RCC_SYSCLKSOURCE_STATUS_HSI   RCC_CFGR_SWS_HSI

HSI used as system clock

RCC_SYSCLKSOURCE_STATUS_HSE

#define RCC_SYSCLKSOURCE_STATUS_HSE   RCC_CFGR_SWS_HSE

HSE used as system clock

RCC_SYSCLKSOURCE_STATUS_PLLCLK

#define RCC_SYSCLKSOURCE_STATUS_PLLCLK   RCC_CFGR_SWS_PLL

PLL used as system clock

RCC_SYSCLKSOURCE_STATUS_PLLRCLK

#define RCC_SYSCLKSOURCE_STATUS_PLLRCLK   ((uint32_t)(RCC_CFGR_SWS_0 | RCC_CFGR_SWS_1))

PLLR used as system clock