Question

51单片机产生38kh程序要c语言

Answer 1

#include<reg51.h>
sbit pluse=P1^0;
unsigned char t;
void t0isr() interrupt 1
{
pluse=~pluse;
}
main()
{
TMOD=0x02;
TH0=TL0=256-13;
TR0=1;
ET0=1;
EA=1;
while(1);
}