数字电子钟的设计学位论文.doc

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1、陈文河0858210103南京理工大学2011–03–06目录摘要及关键字······························································2ABSTRACT··································································2一.设计要求·······························································2二.总体方案设计············································

2、···············3三.各子模块设计原理·······················································31.计秒模块······························································32.计分模块······························································53.计时模块······························································64.校准模块··

3、····························································75.显示模块······························································96.报时19陈文河0858210103南京理工大学2011–03–06模块······························································127.分频模块····························································

4、··138.去抖动模块····························································15四.硬件下载与测试························································161.硬件下载······························································162.测试··································································173.功能扩展·········

5、·····················································17五.结论···································································17参考文献··································································1819陈文河0858210103南京理工大学2011–03–06数字电子钟的设计摘要及关键字：数字电子钟是生活中最常用的电子设备之一，其主要功能是能够显示时、分、秒实时信息，并能够方便地进行时、分

6、、秒的初始值设置，以便时间校准。实现数字电子钟有很多方法，本课程是采用VHDL硬件语言的强大描述能力和EDA工具的结合在电子设计领域来设计一个具有多功能的数字电子钟。关键字：数字电子钟VHDL硬件语言EDA工具ABSTRACT:Digitalelectricclockinlifearethemostcommonlyusedoneoftheelectronicequipment.Itsmainfunctionistodisplay,minutesandsecondsreal-timeinformationandcanbeeasilywhencarriedout,minutesandseco

7、nds,sothattheinitialvalueissettimecalibration.Therearemanymethodsofdesigndigitalelectricclock.ThiscourseisapowerfulbyVHDLhardwarelanguagedescribeabilityandEDAtoolsinelectronicdesignfieldwithversatiletodesignadigitalele