目录
目录......................................................................................................................................1
第一章 概要 ....................................................................................................................2
1.1 设计目的...............................................................................................................2
1.2 课程设计内容及要求...........................................................................................2
1.3 所需芯片及硬件简介...........................................................................................2
1.3.1 8255A 特性简介 .....................................................................................2
1.3.2 D /A0832 功能简介 .................................................................................3
1.3.3 A /D0809 功能简介 .................................................................................3
1.3.4 唐都小键盘简介......................................................................................4
第二章 总体设计方案 ....................................................................................................5
2.1 设计思想论述.......................................................................................................5
2.2 程序流程图...........................................................................................................6
2.3 电路原理图...........................................................................................................7
第三章 典型模块分析 ....................................................................................................8
3.1 波形产生模块.......................................................................................................8
3.1.1 方波..........................................................................................................9
3.1.2 三角波......................................................................................................9
3.1.3 锯齿波....................................................................................................10
3.1.4 正弦波....................................................................................................12
3.2 小键盘模块.........................................................................................................13
3.3 调幅调频模块.....................................................................................................14
第四章 系统调试过程及结果 ......................................................................................16
第五章 收获与体会 ......................................................................................................17
参考文献............................................................................................................................18
附录 1 汇编语言源程序代码.........................................................................................19
附录 2 C 语言源程序代码 .............................................................................................33
