单片机数字电子钟设计答:define uchar unsigned char define uint unsigned int sbit dula=P3^3;sbit wela=P3^4;sbit ch=P3^2;sbit key=P3^5;sbit bell=P3^7;uchar t0,numn,numy,numr,nums,numf,numm,qw,bw,sw,w,q,b,s,g,qw1,bw1,w1,q1,s1,g1;uint u;uchar code tabdu[]={0xC0,0xF9,0xA4,0xB0...