573锁存器驱动8段数码管

#include <reg51.h>

#define SEG  P2
sbit P1_0 = P1^0;

sbit P1_1 = P1^1;
sbit P1_2 = P1^2;
sbit P1_3 = P1^3;
sbit P1_4 = P1^4;

unsigned char code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x3c,0x07,0x7f,0x37}; //共阴极
void delay(int x);

void main()
{
while(1)   //2015
{

P1_0 =0; //573 低电平使能
SEG =tab[2]; //送段位
P1_1 = 0;    //点亮数码管

P1_0 = 1;    //关闭锁存
P1_1 = 1;    //关闭数码管

P1_0 =0; //573 低电平使能
SEG =tab[0];
P1_2 = 0;

P1_0 = 1;
P1_2 = 1;

P1_0 =0; //573 低电平使能
SEG =tab[1];
P1_3 = 0;

P1_0 = 1;
P1_3 = 1;

P1_0 =0; //573 低电平使能
SEG =tab[5];
P1_4 = 0;

P1_0 = 1;
P1_4 = 1;

}

}

void delay(int x)  //6ms*x    23MHZ晶振
{
int i,j;
for( i=0;i<x;i++)
for( j =0;j<12000;j++);
}

#include <reg51.h>

#define SEG  P2
sbit P1_0 = P1^0;

sbit P1_1 = P1^1;
sbit P1_2 = P1^2;
sbit P1_3 = P1^3;
sbit P1_4 = P1^4;

unsigned char code tab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x3c,0x07,0x7f,0x37};
void delay(int x);

void main()
{
while(1)   //521 1314
{
P1_0 =0; //573 低电平使能
SEG =tab[5]; //送段位
P1_1 = 0;    //点亮数码管
delay(166);   //延时
P1_0 = 1;    //关闭锁存
P1_1 = 1;    //关闭数码管

P1_0 =0; //573 低电平使能
SEG =tab[2];
P1_2 = 0;
delay(166);
P1_0 = 1;
P1_2 = 1;

P1_0 =0; //573 低电平使能
SEG =tab[1];
P1_3 = 0;
delay(166);
P1_0 = 1;
P1_3 = 1;

////////////////////////////////////////////   1314

P1_0 =0; //573 低电平使能
SEG =tab[1]; //送段位
P1_1 = 0;    //点亮数码管
delay(166);   //延时
P1_0 = 1;    //关闭锁存
P1_1 = 1;    //关闭数码管

P1_0 =0; //573 低电平使能
SEG =tab[3];
P1_2 = 0;
delay(166);
P1_0 = 1;
P1_2 = 1;

P1_0 =0; //573 低电平使能
SEG =tab[1];
P1_3 = 0;
delay(166);
P1_0 = 1;
P1_3 = 1;

P1_0 =0; //573 低电平使能
SEG =tab[4];
P1_4 = 0;
delay(166);
P1_0 = 1;
P1_4 = 1;

}

}

void delay(int x)  //6ms*x    23MHZ晶振
{
int i,j;
for( i=0;i<x;i++)
for( j =0;j<12000;j++);
}