STM8L独立看门狗IWDG

简单扼要

void IWDG_Init(void)//初始化
{
  IWDG->KR = 0xcc;//启动IWDG
  IWDG->KR = 0x55;//解除PR及RLR的写保护
  IWDG->RLR = 0xff;//看门狗计数器重载值
  IWDG->PR = 0x06;//分频系数256 1724.63ms
  IWDG->KR = 0xaa;//刷新IDDG,避免产生看门狗复位，同时恢复PR及RLR的写保护		
}

void IWDG_Feed(void)//喂狗
{
	IWDG->KR = 0xaa;
}

转载于:https://www.cnblogs.com/IdeaMing/p/11346445.html