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四川师范大学成都学院电子工程系课程设计报告

摘要：EDA技术是现代电子信息工程领域的一门新技术，他是先进的计算机工作平台上开发出来的一套电子系统设计的软硬件工具，并设计先进的电子系统设计方法。基于VHDL的四路抢答器是为智力竞赛参赛者答题时进行抢答而设计的一种优先判决器电路器件工具，已被广泛应用于各种智力和知识竞赛场合。它以VHDL硬件描述为平台，结合动手实践儿完成。该抢答器分为四个模块：抢答锁存模块、计时模块、选择控制，报警器和译码模块。利用QuartusⅡ工具软件完成率编译仿真验证。

关键字：EDA，计时模块，译码模块 Abstract:EDA technology is a new technology of modern electronic information engineering, he developed computer platform advanced on a set of electronic system design of hardware and software tools, and the design method of advanced electronic system.Our responder based on VHDL is a priority decision circuit device tools for the quiz contestants answer answer and design, has been widely used in various occasions intelligence and knowledge competitions.It uses VHDL hardware description as a platform, combined with practice to finish.The responder is divided into four modules: answer latch module, timing module, control, alarm and decoding module.The completion rate of compiled simulation by Quartus Ⅱ software tools.Key words:EDA,timing module,decoding module