573锁存器驱动8段数码管

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#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++);}

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