MCU system clock possible sources

Macros
#define	MCU_SYSCLKSOURCE_MASK   0x07u
#define	MCU_SYSCLKSOURCE_OFFSET   0u
#define	MCU_SYSCLKSOURCE_HSI   ( 0u << MCU_SYSCLKSOURCE_OFFSET )
#define	MCU_SYSCLKSOURCE_HSE   ( 1u << MCU_SYSCLKSOURCE_OFFSET )
#define	MCU_SYSCLKSOURCE_PLLCLK   ( 2u << MCU_SYSCLKSOURCE_OFFSET )
#define	MCU_SYSCLKSOURCE_LSI   ( 3u << MCU_SYSCLKSOURCE_OFFSET )
#define	MCU_SYSCLKSOURCE_LSE   ( 4u << MCU_SYSCLKSOURCE_OFFSET )

Detailed Description

Macro Definition Documentation

MCU_SYSCLKSOURCE_HSE

#define MCU_SYSCLKSOURCE_HSE   ( 1u << MCU_SYSCLKSOURCE_OFFSET )

HSE as system clock

MCU_SYSCLKSOURCE_HSI

#define MCU_SYSCLKSOURCE_HSI   ( 0u << MCU_SYSCLKSOURCE_OFFSET )

HSI as system clock

MCU_SYSCLKSOURCE_LSE

#define MCU_SYSCLKSOURCE_LSE   ( 4u << MCU_SYSCLKSOURCE_OFFSET )

LSE as system clock

MCU_SYSCLKSOURCE_LSI

#define MCU_SYSCLKSOURCE_LSI   ( 3u << MCU_SYSCLKSOURCE_OFFSET )

LSI as system clock

MCU_SYSCLKSOURCE_MASK

#define MCU_SYSCLKSOURCE_MASK   0x07u

Mask for SYS CLOCK SOURCE

MCU_SYSCLKSOURCE_OFFSET

#define MCU_SYSCLKSOURCE_OFFSET   0u

Offset for SYS CLOCK SOURCE

MCU_SYSCLKSOURCE_PLLCLK

#define MCU_SYSCLKSOURCE_PLLCLK   ( 2u << MCU_SYSCLKSOURCE_OFFSET )

PLL output as system clock