基于verilog hdl的数字系统设计入门教程(cpld篇)——第四天new

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1、【线路人生】手把手系列入门教程基于VerilogHDL的数字系统设计入门教程（CPLD篇）第四天www.5iFPGA.comVersion1.0Copyright©线路人生

2、CircuitryLife基于VerilogHDL的数字系统设计入门教程(CPLD篇)——第四天版本修订记录VersionAuthorDataDescription1.0zhiyuh2009‐8‐16Firstdraft.www.5iFPGA.com~2~线路人生

3、Circuitry基于VerilogHDL的数字系统设计入门教程(CPLD篇)——

4、第四天目录1.简介...........................................................................................................................................42.实验环境..........................................................................................................

5、.........................43.实验一（按键消抖实验）.......................................................................................................53.1按键消抖原理.............................................................................................................

6、..53.2实验要求.......................................................................................................................53.3实验目标.......................................................................................................................53.4原

7、理分析和设计思路...................................................................................................63.5源代码...........................................................................................................................63.6实验步骤................

8、.......................................................................................................83.7小结.............................................................................................................................113.8思考和练习.................

9、................................................................................................114.拨码开关（按钮）原理.........................................................................................................114.1轻触开关（按钮）介绍...............................

10、..............................................................114.2实验扩展板上的独立式轻触开关原理图.................................................................125.实验二（拨码开关的使用）........