资源描述：
《机电自动化专业毕业设计(论文)外文资料翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、毕业设计(论文)英文资料翻译学生姓名：学号：1403134332系别：机电系专业：自动化指导教师：2007年5月18日1AT89C51（8-bitMicrocontrollerwith4KBytesFlash）Features•CompatiblewithMCS-51™Products•4KBytesofIn-SystemReprogrammableFlashMemory•Endurance:1,000Write/EraseCycles•FullyStaticOperation:0Hzto12MHz•256x
2、8-bitInternalRAM•32ProgrammableI/OLines•two16-bitTimer/Counters•fiveInterruptSources•ProgrammableSerialChannel•Low-powerIdleandPower-downModesDescriptionTheAT89C51isalow-power,high-performanceCMOS8-bitmicrocomputerwith8KbytesofFlashprogrammableanderasablere
3、adonlymemory(PEROM).ThedeviceismanufacturedusingAtmel’shigh-densitynonvolatilememorytechnologyandiscompatiblewiththeindustry-standard80C51and80C51instructionsetandpinout.Theon-chipFlashallowstheprogrammemorytobereprogrammedin-systemorbyaconventionalnonvolat
4、ilememoryprogrammer.Bycombiningaversatile8-bitCPUwithFlashonamonolithicchip,theAtmelAT89C51isapowerfulmicrocomputerwhichprovidesahighly-flexibleandcost-effectivesolutiontomanyembeddedcontrolapplications.PinConfigurationsTheAT89C51providesthefollowingstandar
5、dfeatures:4KbytesofFlash,256bytesofRAM,32I/Olines,two16-bittimer/counters,asix-vectortwo-levelinterruptarchitecture,afull-duplexserialport,on-chiposcillator,andclockcircuitry.Inaddition,theAT89C51isdesignedwithstaticlogicforoperationdowntozerofrequencyandsu
6、pportstwosoftwareselectablepowersavingmodes.TheIdleModestopstheCPUwhileallowingtheRAM,timer/counters,serialport,andinterruptsystemtocontinuefunctioning.ThePower-downmodesavestheRAMcontentsbutfreezestheoscillator,disablingallotherchipfunctionsuntilthenexthar
7、dwarereset.PinDescription9VCCSupplyvoltage.GNDGround.Port0Port0isan8-bitopendrainbi-directionalI/Oport.Asanoutputport,eachpincansinkeightTTLinputs.When1sarewrittentoport0pins,thepinscanbeusedashighimpedanceinputs.Port0canalsobeconfiguredtobethemultiplexedlo
8、worderaddress/databusduringaccessestoexternalprogramanddatamemory.Inthismode,P0hasinternalpullups.Port0alsoreceivesthecodebytesduringFlashprogrammingandoutputsthecodebytesduringprogramverification.Exte
