文档介绍：【八路抢答器课程设计】八路抢答器课程设计报告成绩课程设计说明书课程设计名称:电子技术课程设计题目:八路抢答器学生姓名:专业:电气工程与自动化学号:指导教师:龙驹日期:2010年7月1日八路抢答器摘要:该设计中八路抢答器主要分为三个部分:抢答部分、计时部分、报警部分。抢答部分由74LS573锁存器及74LS48译码显示等主要器件组成。两片74LS192和两片74LS48共同组成计时部分。两个555芯片分别组成单稳态触发器和多谐振荡器构成报警电路。在整个设计中主持人通过控制总开关完成了对整个抢答器的总体控制和置数控制。通过proteus仿真验证该项设计的正确性和功能的完整性。关键词:74LS573锁存器,74LS192计数器,74LS48译码器,555多谐振荡器,555单稳态触发器Abstract:Thedesignofeight-wayResponderisdividedintothreeparts:theanswerinpart,parttime,,homenumber,posedoftwo555chipswereflip-:74LS573Latch,74LS48Decoder,74LS192counter,555Multivipator,555One-sho目录1前言............................................................................................................................12总体方案设计....................................................................................................................................................................................................................................................................................................................................................................................................................................43单元模块设计.....................................................................................................................................................................................................................、编码电路................................................................................................................................................................................................................................................................................................................................................................................84软件