单片机AT89C51芯片完成简易秒表的设计(三个8字数码管从0~999秒)设置一...答:include <reg51.h> include <intrins.h> unsigned char data dis_digit;unsigned char key_s, key_v;unsigned char code dis_code[11]={0xc0,0xf9,0xa4,0xb0, // 0, 1, 2, 3 0x99,0x92,0x82,0xf8,0x80,0x90, 0xff};// 4, 5, 6, 7, 8, 9, off unsigned char dis_buf[...
51单片机的秒表计时器设计,求大神帮忙设计电路图和C语言程序!!答:这个程序可以实现秒的计时,按键控制开始、暂停、清零功能,更多功能自己在看清程序的基础上进行改进。include <reg51.H>sbit P3_5 =P3^5;unsigned char code dispcode[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8, 0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,0x00};unsigned char...
怎么用c语言写单片机89C51的程序,要写的程序是,0~99秒的秒表,到99s停...答:include<reg52.h> define uchar unsigned char define uint unsigned int uchar a , b=0;sbit wei1=P1.0;sbit wei2=P1.1;//共阴数码管七段码 uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77};void Delay1ms(uint i) //1ms延时程序 { uint ...