数字电子琴明书.doc

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1、单片机课程设计设计题目：数字电子琴姓名：苗三立学号：201056502138班级：机102-1班指导老师：王东兴小组成员：苗三立靳栋栋张联德董文莲吴传珍目录课设题目....................................................................................3【摘要】....................................................................................3一、引言..........

2、..........................................................................41.1电子琴的设计背景..............................................................41.2电子琴的设计意义..............................................................41.3电子琴的设计目标....................................

3、..........................4二、方案的选择........................................................................52.1控制模块选择方案..............................................................52.2按键选择方案......................................................................5三、硬件设计及说明

4、................................................................63.1系统组成及总体框图..........................................................63.2元件简介..............................................................................73.2.1MCS-5180C51................................

5、.............................73.2.2LED数码管..................................................................93.3显示电路..............................................................................103.4各功能模块原理图.............................................................103

6、.4.1MCS80C51模块电路原理图......................................103.4.2键盘扫描模块电路原理图.........................................113.4.3数码管显示模块电路原理图.....................................123.4.4音频处理模块电路原理图..........................................12四、软件设计..............................

7、.............................................134.1音乐相关知识.....................................................................134.2如何用单片机实现音频脉冲.............................................144.3系统总体流程图.................................................................16五、系统

8、调试...........................................................................195.1硬件调试........................