单片机抢答器

单片机抢答器Tag内容描述：<p>1、AT89C51Features Compatible with MCS-51 Products 4K Bytes of In-System Reprogrammable Flash Memory Endurance: 1,000 Write/Erase Cycles Fully Static Operation: 0 Hz to 24 MHz Three-level Program Memory Lock 128 x 8-bit Internal RAM 32 Programmable I/O Lines Two 16-bit Timer/Counters Six Interrupt Sources Programmable Serial Channel Low-power Idle and Power-down ModesDescriptionThe AT89C51 is a low-power, high-performance CMOS 8-bit microcomputer with 4Kbyt。</p><p>2、单片机AT89C51电子抢答器设计1.系统说明：给主持人设置一个开关，用来控制系统的清零（编号显示数码管灭灯）和抢答器的开始。抢答器具有数据锁存和显示的功能。抢答开始后，若有选手按动抢答器按钮，编号立即锁存，并在LED数码上显示选手的编号，同时扬声器给出音响提示。此外，要封锁输入电路，禁止其他选手抢答。2.硬件电路设计：总体设计图3-1 总体设计如图P3.0为开始抢答，P3.2为停止，P1.0-P1.7为八路抢答输入，数码管段选P0口，位选P2口低3位，蜂鸣器（用绿灯代替）输出为P3.6口。P3.2为时间加1调整，P3.3为时间减1调整。P3.0为开始。</p><p>3、摘要该抢答器由单片机以及外围电路组成。设计分为五个模块：抢答按钮输入电路、数码管输出电路、发光二极管显示电路、蜂鸣器报警电路、清零电路。抢答器按钮输入电路用于输入抢答信号；数码管输出电路用于输出抢答到的队伍的编号；发光二极管显示电路用于显示抢答到的队伍；蜂鸣器报警电路用于警告违规抢答者；清零电路用于数码管的清零，使进行下一次抢答。一、 设计要求1 抢答器同时供4名选手或4个代表队比赛，分别用4个按钮S0S3表示。2 设置一个系统清除RESET和抢答控制开关START，该开关由主持人控制。3 抢答器具有锁存与显示功能。即。</p><p>4、中文2075字外文资料原文Design and Implement of Responder Based on Freescale HCS12 Single Chip MicrocomputerResponder is also known as the first signal discriminator, which is widely used in various competitions. It can judge the number of the first player accurately, fairly and intuitively. Currently, a variety of quiz responder has emerged on the market, in which a small responder is commonly designed with small-scale digital integrated circuit. Although the technology has been quite matur。</p><p>5、中文2075字外文资料原文Design and Implement of Responder Based on Freescale HCS12 Single Chip MicrocomputerResponder is also known as the first signal discriminator, which is widely used in various competitions. It can judge the number of the first player accurately, fairly and intuitively. Currently, a variety of quiz responder has emerged on the market, in which a small responder is commonly designed with small-scale digital integrated circuit. Although the technology has been quite matur。</p><p>6、单片机原理及应用课程设计报告学 院： 源与动力工程学院__班 级：______建电1001_____目 录任务书1第一章方案设计2第二章硬件系统设计3第三章软件设计4第四章系统调试5小 结6附录1：原理图7附录2：源程序8单片机原理及应用课程设计任务书题 目：基于单片机的8组抢答器设计设计要求：（1）抢答人数为八组，即有八个抢答按键，以及主持人复位按钮。（2）每次抢答有声音提示，提示显示抢答组号。第一章 方案设计主要设计内容如图所示复位电路：当一轮进行完时，由主持人按下，下一轮开始，复位电路接P3.2口。独立式按键键盘：用于输入高低电。</p><p>7、一、项目概述2二、项目要求2三、设计原理2四、软件设计5五、仿真结果10六、心得体会12智力竞赛抢答器一、项目概述现如今电视节目日益丰富其中的竞赛环节也越来越多，其中智力抢答器是不可或缺的器材。在本学期学习了单片机这门课之后，我们小组成员觉得可以试着自己来实现抢答器的功能，令它能准确、公正、直观地判断出第一抢答者，并通过抢答器的数码管显示和蜂鸣器报警指出抢答组别。我们最终做出一种数字式抢答器的设计方案,通过Proteus设计完成,利用Keil软件编辑程序，仿真验证,适用于多种竞赛场合。二、项目要求设计一个用于智力竞赛。</p>