1.功能描述

AT89c51板子

2.程序

#include <REGX51.H>

#define uint unsigned int

#define uchar unsigned char

sbit LED1=P1^0;

sbit LED2=P1^1;

sbit LED3=P1^2;

void delay(uint ms);

void main(void)

{

LED1=0;

LED2=1;

LED3=0;

while(1)

{

LED1=~LED1;

delay(3000);

LED2=~LED2;

delay(3000);

LED3=~LED3;

delay(3000);

}

}

void delay(uint ms)

{

uchar i;

uint j;

for(j=0;j<ms;j++)

? {

for(i=0;i<125;i++)

{;}

}

}

3.原理圖