单片机控制74LS164控制数码管显示怎么编程(汇编语言) ^74LS164是串入并出转换芯2113片，可以借助串5261口来实现，也可以用普通IO口模4102拟实现。举例如下：1653includedefine uchar unsigned charuchar table[]={0x3f，0x06，0x5b，0x4f，0x66，0x6d，0x7d，0x07，0x7f}；sbit keyup=P3^6；sbit keydn=P3^7；void delay(){int i=1000；while(i-)；}main(){uchar i；i=0；SCON=0x00；TI=1；while(1){SBUF=table[i]；while(TI=0)；TI=0；delay()；if(keyup=0){i+；while(keyup=0)；}if(keydn=0){if(i>；0)i-；while(keydn=0)；}i%10；}}
