微机原理课程设计 多路智力竞赛抢答器设计 院 系： 电气及自动化工程系 班 级： 通信一班 学 号： 学生姓名： 八多路智力竞赛抢答器设计 目录 一前言·························································1 1 设计内容及要求·········································1 2 实验内容及方法·········································2 3 工作过程简介············································2 二、正文·····················································4 1 系统概述··················································4 2 单元电路设计方案和原理说明·······················4 抢答器电路设计···········································4 定时电路设计··············································6 3 电路的安装与调试······································8 4 心得与体会···············································9 三、元器件明细表··········································10 四、参考文献················································10 前言 一、设计内容及要求： 设计内容：本课题要求设计一台可供 8 名选手参加比赛的智力竞赛抢答器。 设计要求： 1．基本功能 (1)抢答器同时供 8 名选手或 8 个代表队比赛，分别用 8 个按钮 S0 ~ S7表示。 (2)设置一个系统清除和抢答控制开关 S，该开关由主持人控制。用来控制系统清零（编号显示数码管灭灯）和抢答的开始。 (3)抢答器具有锁存与显示功能。即抢答开始后，选手按动按钮，锁存相应的编号，并在编号显示器上显示该编号。同时封锁输入编码电路，禁止其他选手抢答。优先抢答选手的...
