WWDG预分频器

定义
#define	WWDG_PRESCALER_1   0x00000000u
#define	WWDG_PRESCALER_2   WWDG_CFR_WDGTB_0
#define	WWDG_PRESCALER_4   WWDG_CFR_WDGTB_1
#define	WWDG_PRESCALER_8   (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0)
#define	WWDG_PRESCALER_16   WWDG_CFR_WDGTB_2
#define	WWDG_PRESCALER_32   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_0)
#define	WWDG_PRESCALER_64   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_1)
#define	WWDG_PRESCALER_128   WWDG_CFR_WDGTB

---

定义文档

#define WWDG_PRESCALER_1   0x00000000u

WWDG计数器时钟 = (PCLK1/4096)/1

定义于文件129行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_128   WWDG_CFR_WDGTB

WWDG计数器时钟 = (PCLK1/4096)/128

定义于文件136行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_16   WWDG_CFR_WDGTB_2

WWDG计数器时钟 = (PCLK1/4096)/16

定义于文件133行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_2   WWDG_CFR_WDGTB_0

WWDG计数器时钟 = (PCLK1/4096)/2

定义于文件130行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_32   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_0)

WWDG计数器时钟 = (PCLK1/4096)/32

定义于文件134行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_4   WWDG_CFR_WDGTB_1

WWDG计数器时钟 = (PCLK1/4096)/4

定义于文件131行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_64   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_1)

WWDG计数器时钟 = (PCLK1/4096)/64

定义于文件135行 stm32g4xx_hal_wwdg.h。

#define WWDG_PRESCALER_8   (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0)

WWDG计数器时钟 = (PCLK1/4096)/8

定义于文件132行 stm32g4xx_hal_wwdg.h。