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兰州交通大学毕业设计(论文)
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目 录
1. 绪论........................................................................................................................................1
1.1 FPGA 概况 .................................................................................................................1
1.2 本课题的研究意义.....................................................................................................2
本章小结..............................................................................................................................2
2. VHDL 语言介绍与 Quartus II 7.2 (32-Bit)软件介绍 ........................................................3
2.1 VHDL 语言的介绍 ....................................................................................................3
2.1.1 VHDL 语言概述 .................................................................................................3
2.1.2 VHDL 语言的优点 .............................................................................................4
2.1.3 利用 VHDL 语言设计数字系统的特点 ...........................................................6
2.1.4 VHDL 语言的基本结构 ..................................................................................7
2.2 Quartus II 7.2 (32-Bit)软件介绍及其用法 ................................................................7
2.2.1 Quartus II 7.2 软件介绍 ......................................................................................7
2.2.2 Quartus II 软件的用法 .....................................................................................10
本章小结............................................................................................................................13
3. 矩阵键盘接口电路的原理与总体设计.............................................................................14
3.1 矩阵键盘接口电路的原理.......................................................................................14
3.2 总体设计...................................................................................................................16
本章小结............................................................................................................................16
4. 各模块的设计及仿真..........................................................................................................17
4.1 键盘扫描电路...........................................................................................................17
4.2 键盘译码电路和按键标志位产生电路.....................................................................19
4.3 时钟产生模块...........................................................................................................24
4.4 键盘接口电路顶层电路实现...................................................................................27
本章小结............................................................................................................................28
结 论.........................................................................................................................................29
致 谢.........................................................................................................................................30
参考文献...................................................................................................................................31
附录程序...................................................................................................................................32