AT89C51单片机60.00到00.00倒计时程序 4位数码管显示 C语..._百度知 ...答:AT89C51单片机60.00到00.00倒计时程序 4位数码管显示 C语...ncludereg52.h> define uchar unsigned char define uint unsigned int uchar num,t;sbit dula=P2^6; //段选跟位选 sbit wela=P2^7;uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f}; /...
利用51单片机,4个数码管设计一个计时器,要求在数码管上显示的数据从0开...答:现成的有与之差不多的,功能是倒计时,到一定值后停止 include <reg52.h> include <intrins.h> define uchar unsigned char define uint unsigned int uchar code table[]={0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F, 0x77,0x7C, 0x39...
利用51单片机,4个数码管设计一个计时器,要求在数码管上显示的数据从0开...答:共阳数码管中断程序:include<reg52.h> define uint unsigned int define uchar unsigned char uchar code table[]= { 0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x83,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e};uint num,a;uchar bai,shi,ge;void init();void delay(uint);void ...