51单片机 秒表设计答:// 51单片机 秒表,显示时间为0000—9999秒,启动、停止,(停止后再次启动复位)include<reg52.h> define uint unsigned int define uchar unsigned char uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};uchar bai,shi;uint...
用51单片机设计3位led数码显示管作秒表00.0-99.0求设计电路与c语言程 ...答:sbit wei1=P3^3;//再有三个管脚接3个三极管驱动数码管的阴极 sbit wei2=P3^4;sbit wei3=P3^5;uint a=0;//中断次数计数,一次50ms,20次为1 秒 //共阴数码管七段码 uchar TABLE[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//延时子程序 void delay1ms(uint t...
求51单片机运动秒表程序,精确度0.1秒!答:;延时子程序 ;--- DELAY2MS:MOV R6,#10 DEL1:MOV R7,#100 DJNZ R7,DJNZ R6,DEL1 RET ;TIMER0:PUSH ACC MOV TH0,#4CH ;50ms定时 MOV TL0,#00H INC TimeCount MOV A,TimeCount CJNE A,#2,T_END MOV TimeCount,#00H INC Count ;小数位 MOV A,Count CJNE A...
利用51单片机,6个数码管设计一秒表。要求:刚开始时间为12点(120000...答:include<reg52.h> include<intrins.h> define uchar unsigned char define uint unsigned int define show P2 code table[16]= { 0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71 };code tuble[9]= { 0x00,0x7f,0xbf,0xdf,0xef,0xf7,0x...