eda设计多功能数字钟

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1、EDA设计多功能数字钟作者：***EDA设计多功能数字钟院系：******班级：******学号：******姓名：*****指导老师：******实验时间：2010.4.26～2010.4.2940EDA设计多功能数字钟作者：***摘要：本文采用自顶向下的分析方法。首先分析了多功能数字钟的设计要求、所需实现的功能，然后分析了实现每个功能所需要的基础模块，最后进一步分析了各种基础模块。在具体设计时，采用的是自底向上的设计方法。首先设计各种基础模块，然后设计各种功能模块，最后进行综合设计。本次设计除了实现

2、基本的时钟电路外，还实现了整点报时、闹钟、日期、星期、倒计时、秒表、铃声等多种功能。Abstract:Thisarticleadoptsthetop-downanalysismethod.Aboveall,itanalysesthedesignrequirementandtherequiredfunctionalityofMultifunctionDigitalClock.Andthenitanalysestheneededbasicmoduleswhichcanachieveeachfunction.

3、Lastly,itanalyseseachbasicmodulefurther.Whenitcomestothespecificdesign,itadoptsthebottom-updesignmethod.Firstly,itdesignseachbasicmodule.Then,itdesignsthefunctionmodulesbasedonthebasicmodules.Finally,itintegratesallthedesigns.Besidesthefunctionofbasicclo

4、ck,italsoachievesfunctionsofhourlychime,alarm,date,week,countdown,stopwatchandring.关键词：计数封装同步Keywords:CountEncapsulationSynchronization40EDA设计多功能数字钟作者：***目录1实验说明·································································（3）1.1实验内容··················

5、···········································（3）1.2题目简介·····························································（3）1.3设计要求·····························································（3）1.4功能简介···························································

6、··（3）1.5原理框图·····························································（3）2设计分析··································································（4）2.1功能模块分析·························································（4）2.2基础模块分析··························

7、·······························（4）3基础模块的设计····························································（5）3.1计数器·······························································（5）3.2比较器·······························································（8）40EDA

8、设计多功能数字钟作者：***3.3分频器·······························································（9）3.4其它································································（12）4功能模块的设计·······················································