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1、摘要现代社会人们工作日程繁多紧凑,随着生活节奏的加快,合理的安排时间和遵守时间是每个人的愿望,本文介绍的智能记事器,采用语音播报,随着语音芯片的普及,语音报播被广泛应用于车站报站器,语音型数字万用表,出租车语音报站器,排队机等。可快速直观的给人们提醒工作日程,将成为人们生活中的有力助手。本文提出了基于AT89C51单片机的语音播报器的设计方案。方案以单片机作为系统的控制核心,详细介绍了ISD公司生产的ISD2560语音芯片的优点及其使用方法。并且给出了用AT89C51与ISD2560构成的语音系统的硬件原图和软件设计方法。采用IS
2、D单片语音录音/放音集成电路系列中的ISD2560实现了语音的存储和播放,使语音音质自然真实。ISD2560不需要A/D和D/A转换,并且集成度高,能实现复杂的信息处理功能,真实的再现语音。实现了当按下开始键,启动录音,松开开始键,结束录音。结束录音后,循环播放所录音的基本功能。并且录放系统具有电路简明、应用方便、单片录放、不怕掉电、音色纯正、性价比高等特性。关键词电气信息;单片机;语音芯片;ISD2560AbstractModernsocialcompactmanypeopleworkschedule,withthepaceof
3、lifespeedsup,reasonablearrangementstocomplywiththetimeandthetimeiseveryone'saspirations.Thispaperintroducestheintelligentaccountsregulator,withspeechbroadcast,withthepopularizationofpronunciationchip,voicenewspaperhasbeenwidelyusedinthestationbroadcaststopsdevice,voic
4、etypedigitalmultimeter,taxivoicestopsPaiDuiJiware,etc.Thepaperintroducedasmartnotepad,avoicebroadcast,fastintuitivetoremindpeopleworkschedule,peoplelivinginastrongassistant.InthispaperadesignprogramofvoicebroadcastdevicebasedonAT89C51microcontrollerisintroducedinthisp
5、aper.Single-chipmicrocomputeristhecoreofcontrolsystem.ThispaperintroducesthePINfunction,operatingmodelandusingmethodofISD2560voicechip.PuttingforwordthehardstructureandsoftdesignmethodofthevoicesystemconsistedofAT89C51andISD2560.Theuseofsingle-chipvoicerecordingISD/pl
6、aybackICISD2560seriesachievevoicestorageandplayback,andthevoiceistrue,natural,quality.Weachievethebasicfunctionthatwhenthestartbuttonispressed,thedevicestarttorecordandwhenthestartbuttonisreleasd,thedevicefinishrecording.Thenbroadcastwhatitrecordloopthreetimes.Andreco
7、rdingsystemhascircuitconciseandeasyapplication,monolithicrecording,notafraidoffelectricity,tone,pure,highperformance-to-pricecharacteristics.KeywordsElectricalInformation;single-chip;voicechip;ISD2560目录1绪论11.1本课题的目的与意义11.2本课题在国内外研究概况及存在问题11.3本课题研究内容21.4本设计的主要任务要求32系统设
8、计方案42.1总体设计方案42.2语音芯片的选择43硬件电路设计63.1protel99se介绍63.2电源电路设计73.3主机电路设计73.3.1AT89S51的特点73.3.2AT89S51的引脚介绍83.3.3时钟电路103.4语音芯片ISD