课程设计报告----电子智能抢答器

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1、《电子设计自动化》课程设计报告题目电子智能抢答器学院（部）电控学院专业电子科学与技术班级32050802学生姓名徐伟升学号32050802215月13日至5月27日共2周指导教师高云霞13目录摘要································································3关键词······························································3设计要求······································

2、······················3课程设计负责部分····················································3第一章系统概述····················································31.1设计思路·····················································31.2设计分析·····················································31.2.1

3、抢答系统·················································41.3方案分析比较·················································51.3.1控制器模块···············································51.3.2控制显示模块·············································61.3.3抢答器键盘模块·······························

4、············61.4总体方案选择·················································7第二章单元电路设计与分析··········································7132.1器件选择分析·················································72.2单元电路分析·················································7第三章系统综述、总电路图············

5、······························73.1系统综述·····················································73.2总体电路图···················································7第四章结束语·····················································8参考文献·······················································

6、·····9元器件明细表························································9鸣谢·······························································10收获与体会，存在的问题··············································11评语·······························································1213电子智能抢答器

7、摘要　目前单片机渗透到我们生活的各个方面，几乎很难找到哪个领域没有单片机的踪迹。广泛应用于智能仪器仪表，机电一体化产品，实时工业控制，分布系统的前端模块，家用电器等各个领域。电子智能抢答器是在竞赛、文体娱乐活动（抢答活动）中，能准确、公正、直观地判断出抢答者的电子仪器器。通过抢答者的指示灯显示、数码显示和警示显示等手段指示出第一抢答者。抢答器主要由单片机以及外围电路组成，本系统设计为模块形式采用九针插头进行连接，系统工作原理本系统采用80C51单片机作为核心。控制系统的三个模块分别为：单片机最小系统、抢答控制模块、显示模块，具有按键、显

8、示，倒计时功能。关键字：显示、驱动、抢答、计时、单片机、独立式式键盘。设计要求选择常用单片机芯片进行电路系统设计，设计八路电子抢答器电路。 设计电子抢答器的基本功能；实现具有按键、显示功能的单片机最小系统，