text1.c

实现单片机电子时钟的显示

#include<reg52.h>
unsigned char code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
unsigned char count;

void t0() interrupt 3 using 0
{
		
	
			count++;
			
			P3=table[count%10];
			if(count==59)
			{
			
				count=0;
			}
	

	TH1 = (65536-50000)/256;
	TL1 = (65536-50000)%256;

} 

void main()
{	
  	TMOD=0x10;
    TH1=(65536-50000)/256;
    TL1=(65536-50000)%256;
     EA=1; 
    ET1=1;
     TR1=1;

	count=0;


	
	P3= table[1];
	while(1);		//等等中断	
}