74LS244应用程序

//多机通信
//cpu_1.c
//包含头文件
#include<reg51.h>
//宏定义
#define uchar unsigned char
#define uint unsigned int
#define ADDRESS1 0x01
#define ADDRESS2 0x02
//延时子程序
delay()
{
 uint j;
 uchar k;
 for(j=0;j<50000;j++)
    for(k=0;k<10;k++);
}
//主程序
main()
{
SCON=0XD8;
PCON=0X80;
TMOD=0x20;
TH1=0xff;
TL1=0XFF;
TR1=1;
while(1)
{
TB8=1;
SBUF=ADDRESS1;