基于vhdl数字时钟的设计(正稿)说明书

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1、JINGGANGSHANUNIVERSITY专科毕业论文（设计）题目：基于VHDL的数字时钟设计学院电子与信息工程学院专业电子与信息工程技术姓名班级学号指导教师起讫时间17基于VHDL的数字时钟设计[摘要]随着EDA技术的发展和应用领域的扩大与深入，EDA技术在电子信息、通信及计算机领域的重要性日益突出。同时，随着技术市场和人才市场对EDA技术需求的不断提高，产品的市场效率和技术要求也必然会反映到教学和科研领域钟来。而EDA技术就是依赖功能强大的计算机，在EDA工具软件平台上，对以硬件描述语言VHDL为系统逻辑描述手段完成的设计文件，自动的完

2、成逻辑优化和仿真测试，直至实现既定的电子线路系统功能。本题介绍了利用VHDL硬件描述语言设计的多功能数字钟的思路和技巧。在MAX+PLUSII开发环境中编译和仿真了所设计的程序，并在可编程逻辑器件上下栽验证。仿真和验证结果表明，该设计方法切实可行。关键词：数字钟；硬件描述语言；VHDL；MAX+PLUSII。17目录一、EDA技术概述··························································4二、AlteraMax+plusII简介···························

3、···················5三、设计任务及要求·······················································63.1设计任务··························································63.2设计要求··························································6四、系统电路设计·················································

4、········64.1VHDL语言开发的流程···············································64.2系统框架图·······················································74.3电路设计思路与实现················································8五、电路功能调试及测试················································8175.1测试内容及步骤······

5、··············································85.2模块说明························································85.3数字钟各模块连接示意图···········································95.4功能测试··························································95.5小结··································

6、··························9六、小结·····························································9实物图··································································17参考文献································································1817一、EDA技术概述EDA是电子设计自动化ElectronicDesignAu

7、tomation）的缩写，在20世纪90年代初从计算机辅助设计（CAD）、计算机辅助制造CAM）、计算机辅助测试CAT）和计算机辅助工程（CAE）的概念发展而来的。EDA技术就是以计算机为工具，设计者在EDA软件平台上，用硬件描述语言VHDL完成设计文件，然后由计算机自动地完成逻辑编译、化简、分割、综合、优化、布局、布线和仿真，直至对于特定目标芯片的适配编译、逻辑映射和编程下载等工作。EDA技术伴随着计算机、集成电路、电子系统设计的发展，经历了计算机辅助设计CAD、计算机辅助工程设计CAE和电子设计自动化EDA三个发展过程。EDA软件工具种类

8、繁多，如：Smartork、Orcad、Tango、Protel、Workbench(multsim)、Pspice及各大可编程器件厂商提供的专用开发软件，如：Al