普中单片机60秒倒计时答:0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};//显示0~F的值u8 sec=60,cnt=0;void delay(u16 i){while(i--);
基于单片机控制的60秒倒计时实现答:include<reg52.h> unsigned char code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};unsigned char second=0,minite=6;void main(){ EA=1;ET1=1;TMOD=0x10;TH1=(65536-50000)/256;TL1=(65536-50000)%256;TR1=1;while(1) ;} void time1() interrupt 3 usin...
利用单片机设计实现一个60秒倒计时显示装置,并且计时到后发出报警声音...答:include<reg52.h>sbit bz=P3^1;unsigned char a[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xd8,0x80,0x90};unsigned char n,time=60;main(){P1=a[0];P2=a[6];TMOD=0X01;TH0=(65536-10000)/256;TL0=(65536-10000)%256;EA=1;ET0=1;TR0=1;while(1);}timer0() ...
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}; /...