sfr WDT_CONTR = 0xE1;//看门狗控制寄存器
void WatchDog()
{
WDT_CONTR |= 1<<5;//EN_WDT
WDT_CONTR |= 0x07;//复位时间4.1943s
WDT_CONTR |= 1<<3;//空闲模式看门狗也计数
}
void Feed_WatchDog()
{
WDT_CONTR |= 1<<4;//CLR_WDT
}
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