单片机电子时钟设置 要求12小时制,初始时间11.59.55 求编写程序_百度知 ...答:include<reg51.h> define uchar unsigned char uchar code ledtab[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};//0-9 unsigned char sec=55,min=59,hour=12,scanled;unsigned char key,mode,time;unsigned char disdat[8];sbit key1=P1^4;sbit key2=P1^5;void...