定时器.txt

单片机写的程序都含有Protues仿真结果

 #include<reg51.h>
 unsigned char flag;
void main()
{TMOD=0X01;
TR0=1;
for(;;)
                            TH0=(65536-50000)/256;
		TL0=(65536-50000)%256;
		do{}while(TF0==0);
		P1=!P1;
                           TF0=0;
}