求单片机 数字钟 c语言代码注释答:include<reg51.h> unsigned char code su[11]={0x3f,0x06,0x5b,0X4F,0x66,0X6D,0x7d,0x07,0x7f,0x6f,0x40};//数码管显示 unsigned char xian[8]={0,0,10,0,0,10,0,0};unsigned char sen=0,min=0,hou=0,sen2=0,min2=0,hou2=0,sen3=59,min3=59,hou3=23,num;//变量...
单片机频率计原理程序代码答:include <AT89X51.H> //***数码管位代码表(P0口)***// unsigned char code dispbit[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};//***数码管段代码表(P2口,共阴且高位接a,低位接h笔段)***// unsigned char code dispcode[]={0xFC,0x60,0xDA,0xF2,0x66,0xB6,0xBE,...