![](http://editerupload.eepw.com.cn/fetch/20161101/320159_1_0.jpg)
#include
sbit p10=P1^0;
unsigned char c;
bit p;
main()
{
本文引用地址://m.amcfsurvey.com/article/201611/320159.htmTR0=0;
TMOD=0X01;
TH0=0XFC;
TL0=0X18;
EA=1;
ET0=1;
TR0=1;
while(1){}}
void isr()interrupt1
{
TH0=0XFC;
TL0=0X18;
if(p!=1) p10=~p10;
if(p==1) p10=0;
c++;
if(c==250) {c=0;p=~p;}
}
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