基于fpga的键盘扫描程序设计

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1、X草鱼X　学　院草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼 草鱼 CHANGSHA草鱼UNIVERSITY草鱼 草鱼 本科生毕业设计草鱼 草鱼 设计（论文）题目：pork草鱼 草鱼基于FPGA的键盘扫描程序的设计草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼系　　　　部：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草

2、鱼草鱼专草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼业：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼学草鱼生草鱼姓草鱼草鱼名：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼班草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼级：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼学号草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼指导教师姓名：pork草鱼草鱼草鱼草鱼草鱼

3、草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼职称草鱼草鱼草鱼草鱼讲师草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼 草鱼 XX学院教务处草鱼草鱼 二○一一年二月制草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 　　（20草鱼13草鱼届）草鱼 　　本科生毕业设计说明书草鱼 基于FPGA的键盘扫描程序的设计系　　　　部：pork草鱼草鱼草鱼草鱼草鱼电子与通信工程系草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼专草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼业：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼

4、草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼学草鱼生草鱼姓草鱼草鱼名：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼班草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼级：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼学号草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼指导教师姓名：pork草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼职称草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼最终评定成绩草鱼

5、草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼草鱼 草鱼 草鱼 2013草鱼草鱼年草鱼6草鱼月草鱼 草鱼 XX学院毕业设计草鱼 摘草鱼草鱼要草鱼 草鱼 在现代电子工业的控制电路中，鲤鱼键盘扫描和显示电路对系统的调试和设置有着重要的作用。草鱼随着EDA技术的发展，鲤鱼基于FPGA的扫描键盘因其结构简单，鲤鱼能有效防止机械键盘按键抖动带来的数据错误等优点在许多电子设备中都得到了广泛的应用。草鱼草鱼 本文主要是设计一个基于FPGA的键盘扫描程序，鲤鱼该设计在EDA工具Qua

6、rutus草鱼II9.0上开发完成，鲤鱼以Creat-SOPC2000实验箱上的4*4矩阵键盘为硬件实体，鲤鱼设计键盘扫描程序，鲤鱼将程序划分为时序产生模块、pork键盘扫描模块、pork弹跳消除模块、pork键值译码模块四个模块，鲤鱼时序产生模块为键盘扫描和弹跳消除模块产生时钟信号，鲤鱼键盘扫描模块采用行扫描法对4*4矩阵键盘进行扫描，鲤鱼键值译码模块将所按键值译码为共阳极8位7段数码管的显示码,几个模块组合起来实现键盘扫描的设计要求。草鱼最后对程序进行仿真分析和硬件验证。草鱼仿真结果表明，鲤鱼该系统具有集成度高、pork稳定性好、pork设计灵活和设计效率

7、高等优点。草鱼草鱼 草鱼 关键词：pork草鱼FPGA，鲤鱼Quartus草鱼II，鲤鱼VHDL，鲤鱼键盘扫描草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 草鱼 IXX学院毕业设计ABSTRACT草鱼 草鱼 In草鱼the草鱼modern草鱼electronics草鱼industry草鱼controlling-circuit,草鱼the草鱼keyboard草鱼scanning草鱼and草鱼display草鱼circuit草鱼plays草鱼an草鱼important草鱼role草鱼in草鱼debugging草鱼and草鱼setti

8、ng草鱼the草鱼system.草鱼W