下面是电路图：
/*名称：8X8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 } } }