本设计的目的是培养理论联系实际的学习方 法以及独立解决工程实际问题的能力。能够熟识单片机C51 语言的编程特性,及其应用。 能够用C51 语言进行编程,能成功的编出较为简单的程序。 关键词:单片机, 音乐, 蜂鸣器, 同步显示 东北大学课程设计 Abstract electronictechnology computermore morecommon use, singlechip microcomputer organiccombination widerange someareas has replaced.Music play function everywhere can use, children´sintelligence toys, present,based singlechip microcomputer music playback, its small size, low price, programming characteristics fielddominate. coursedesign main content single-chipmicrocomputer C51 language programming, producemusic notes scoretranslated computerlanguage (note conversion ChengCheng corresponding square wave frequency loadedinitial value, timer beat converted correspondingextended time), singlechip microcomputer buttonagain call informationprocessing, after amplification, released speakerstrains, realizing musicplayed. mainperformance can play tensongs, can use ten numeric keys control play songs, LCDscreen monitors displayed correspondingplay songs music name rollinglyrics. Plus openkey songsplayed independentlearning methods solving engineering problem ability. Familiar single-chipmicrocomputer C51 language programmingcharacteristics, itsapplication. uselanguage C51 programming, makeup simplerprogram. Keywords: Microcontroller, music, buzzer, simultaneous display 东北大学课程设计 错误!未定义书签。I摘要 错误!未定义书签。II