单片机控制一个4位的共阴数码管通电的状态下显示时间的程序答:include <reg52.h> define uint unsigned int define uchar unsigned char sbit PRESS1=P1^0;sbit PRESS2=P1^1;sbit PRESS3=P1^2;uint a[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//0到9 uint b[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};int miao=...