外文翻译(彭名亮)

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1、毕业设计文献资料翻译（原文及译文）原文名称：AT89C51Manual课题名称：智能温度报警器的研究学生姓名：彭名亮学号：50901090016指导老师：薛大为所在系部：机械与电子工程系专业名称：机械设计及其自动化2011年4月20日IntroductiontoAT89C51GENERALDESCRIPTIONTheAT89C51isalow-power,high-performanceCMOS8-bitmicrocomputerwith4KbytesofFlashProgrammableandErasableReadOnlyMemory(PEROM).Thedeviceismanu

2、facturedusingAtmel’shighdensitynonvolatilememorytechnologyandiscompatiblewiththeindustrystandardMCS-51™instruction-setandpinout.Theon-chipFlashallowstheprogrammemorytobereprogrammedin-systemorbyaconventionalnonvolatilememoryprogrammer.Bycombiningaversatile8-bitCPUwithFlashonamonolithicchip,theA

3、tmelAT89C51isapowerfulmicrocomputerwhichprovidesahighlyflexibleandcosteffectivesolutiontomanyembeddedcontrolapplications.Features•CompatiblewithMCS-51™Products•4KBytesofIn-SystemReprogrammableFlashMemory–Endurance:1,000Write/EraseCycles•FullyStaticOperation:0Hzto24MHz•Three-LevelProgramMemoryLo

4、ck•128x8-BitInternalRAM•32ProgrammableI/OLines•Two16-BitTimer/Counters•SixInterruptSources•ProgrammableSerialChannel•LowPowerIdleandPowerDownModesTheAT89C51providesthefollowingstandardfeatures:4KbytesofFlash,128bytesofRAM,32I/Olines,two16-bittimer/counters,afivevectortwo-levelinterruptarchitect

5、ure,afullduplexserialport,on-chiposcillatorandclockcircuitry.Inaddition,theAT89C51isdesignedwithstaticlogicforoperationdowntozerofrequencyandsupportstwosoftwareselectablepowersavingmodes.TheIdleModestopstheCPUwhileallowingtheRAM,timer/counters,serialportandinterruptsystemtocontinuefunctioning.T

6、hePower-downModesavestheRAMcontentsbutfreezestheoscillatordisablingallotherchipfunctionsuntilthenexthardwarereset.VCCSupplyvoltage.GNDGround.Port0Port0isan8-bitopen-drainbi-directionalI/Oport.Asanoutputport,eachpincansinkeightTTLinputs.When1sarewrittentoport0pins,thepinscanbeusedashigh-impedanc

7、einputs.Port0mayalsobeconfiguredtobethemultiplexedlow-orderaddress/databusduringaccessestoexternalprogramanddatamemory.InthismodeP0hasinternalpullups.Port0alsoreceivesthecodebytesduringFlashprogramming,andoutputsthecodebytesduring