定时中断.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;
TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
EA=1;
ET0=1;
TR0=1;

while(1);

while(1);
}
void t0() interrupt 1	using 0
{ TH0=(65536-50000)/256;
TL0=(65536-50000)%256;
flag++;
if(flag==10)
{  flag=0;
P1=~P1;
}
}