下面是电路图：
/* 名称：8X8LED点阵显示数字
说明：1.8X8LED点阵屏循环显示数字0~9，刷新过程为动态变换完成。
2.行扫描为XX，接P1口,列扫描为YY，接P3口
*/
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code XX[]=
{
0x00,0x3e,0x41,0x41,0x41,0x3e,0x00,0x00, //0
0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00, //1
0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00, //2
0x00,0x22,0x49,0x49,0x49,0x36,0x00,0x00, //3
0x00,0x0c,0x14,0x24,0x7f,0x04,0x00,0x00, //4
0x00,0x72,0x51,0x51,0x51,0x4e,0x00,0x00, //5
0x00,0x3e,0x49,0x49,0x49,0x26,0x00,0x00, //6
0x00,0x40,0x40,0x40,0x4f,0x70,0x00,0x00, //7
0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00, //8
0x00,0x32,0x49,0x49,0x49,0x3e,0x00,0x00 //9
};
uchar code YY[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
uchar i,k,j,t=0,Num_Index;
void yanchi(uchar ms)
{
while(ms--)
{
for (i=0;i<100;i++);
}
}
//主程序
void main()
{
while(1)
{
for(t=0;t<10;t++)
{
for(j=0;j<50;j++)
{
for(k=0;k<8;k++)
{
P1=YY[k];
P3=~XX[t*8+k];
yanchi(2);
}
}//**************************0
}
}
}
/*******************************************************************************************/
#include<reg51.h>
#include<intrins.h>
#define uchar unsigned char
#define uint unsigned int
uchar code XX[]=
{
0x00,0x3e,0x41,0x41,0x41,0x3e,0x00,0x00, //0
0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00, //1
0x00,0x21,0x43,0x45,0x49,0x31,0x00,0x00, //2
0x00,0x22,0x49,0x49,0x49,0x36,0x00,0x00, //3
0x00,0x0c,0x14,0x24,0x7f,0x04,0x00,0x00, //4
0x00,0x72,0x51,0x51,0x51,0x4e,0x00,0x00, //5
0x00,0x3e,0x49,0x49,0x49,0x26,0x00,0x00, //6
0x00,0x40,0x40,0x4f,0x50,0x60,0x00,0x00, //7
0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00, //8
0x00,0x32,0x49,0x49,0x49,0x3e,0x00,0x00 //9
};
uchar code YY[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
uint i,k,j,t;
void yanchi(uchar ms)
{
while(ms--)
{
for (i=0;i<100;i++);
}
}
//主程序
void main()
{
while(1)
{
for(t=0;t<200;t++)
{
for(j=0;j<20;j++)
{
for(k=0;k<8;k++)
{
P1=YY[k];
P2=~XX[(t%10)*8+k];
P3=~XX[((t%100)/10)*8+k];
P0=~XX[(t/100)*8+k];
yanchi(2);
}
}//**************************0
}
}
}