tyr.c

AT89C51+CPLD 的EPM7064SLC44-10的学习板电路图

#include"reg51.h"



void delay(unsigned int i)
{
    unsigned int j;
    for(j = 0; j <= i; j++);
}
void main(void)
{

    while(1)
    {
	   P2 = 0XFF;
	   delay(50000); 


	   P2 = 0X00;
	   delay(50000); 
 	   

	   P0 = 0XFF;
	   delay(50000); 


	   P0 = 0X00;

	   delay(50000); 	   
 
    }

}