仿真原理图如下(proteus仿真工程文件可到本帖附件中下载)
单片机源程序如下:
- #include<AT89X51.H>
- unsigned char code table1[]={0xbf,0xf9,0xa4,0xb0,0x99,0x92};
- unsigned char code table2[]={0xbf,0x89,0x86,0xc7,0xc7,0xc0};
- unsigned char code table3[]={0x01,0x02,0x04,0x08,0x10,0x20};
- unsigned char i;
- unsigned char a,b;
- unsigned char temp;
- void main(void)
- {
- while(1)
- {
- temp=0xfe;
- for(i=0;i<6;i++)
- { P2=table3[i];
- if(P1_7==1)
- {
- P0=table1[i];
- }
- else
- {P0=table2[i];
- }
- for(a=4;a>0;a--)
- for(b=248;b>0;b--);
- }
- }
- }
复制代码
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萌新制作简单单片机.rar
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