第1页共9页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共9页ThedevelopmentandapplicationofMCS-51MCS-51single-chipwasproductedintheUnitedStatesINTEcompaniesin1980,andcomparedwithMCS-48single-chipthestructureofithasmoreadvancedandmorepowerful,intheoriginalbasisofthecircuitanincreaseofmoreunitsanddirectiveamountedto111,MCS-51singlechipcanberegardedasverysuccessfulproduct,untilnow,MCS-51seriesorcompatiblesingle-chipapplicationsisstillthemainstreamproduct,collegesanduniversitiesandprofessionalschools,trainingmaterialsremainedinlinewiththeMCS-51single-chip,asthetheoreticalfoundationforlearning.Wealsocarryouttherepresentationofsystemmodelstoexplain.TherangeofMCS-51single-chip8031,8051and8751mainlyincludesproductssuchasGM,itsmainfunctionisasfollows:8-bitCPU4kbytesprogrammemory(ROM)128bytesofdatamemory(RAM)32ArticleI/Oport111commandline.Mostofthe21single-byteinstructionregister2dedicatedprogrammabletimer/counterinterruptsource5,atwo-priority,full-duplexserialcommunicationporttoexternaldatamemoryaddressspaceforexternal64kBprogrammemoryaddressspacefor64kB-bitaddressinglogicoperationfunction40PinDIPdualin-linepackageSingle+5VPowerSupplyMCS-51withitstypicalstructureandimprovethespecialregistersofthebuscentralizedmanagement,operationofalargenumberoflogicfunctionsandbit-orientedcontrolrichinstructionset,calledforthegenerationof"crew",theothersingle-chipmicrocomputerforlaterlaidthefoundationforthedevelopment.Becauseofitssuperiorperformanceandimprovethestructure,resultinginthesubsequentmanymanufacturersuseormakereferencetomorethanitsarchitecture,therearemanyoftheworld'slargestmakerofelectricalandenrichedanddevelopedtheMCS-51microcontroller,suchasPHILIPS,Dallas,ATMEL,etc.well-knownsemiconductorcompaniesarecompatiblewiththeintroductionoftheMCS-51microcontrollerproducts,andevenChina'sTaiwanWINBONDalsocompatiblewiththedevelopmentofC51(itusedtobereferredtoasMCS-51IfthereisnospecialstatementC51,bothwiththemeanMCS-51Seriessingle-chip)microcontrollervarieties.C51obtainedinrecentyearsthedevelopmentofrapid,第2页共9页第1页共9页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第2页共9页C51originINTELasaresultofthecompanywasbusydevelopinghigh-endPCandnotonthemicroprocessortocontinuetodeveloptheirownsingle-chip,andbyothermanufacturerstoitsdevelopment,isthemosttypicalPHILIPSandATMLcompany,PHILIPSmainlytoimproveitsperformance,basedontheoriginaldevelopmentofthehigh-speedI/Oport,A/Dconverter,PWM(pulsewidthmodulation),WDTandotherenhancements,andlow-voltage,micro-powerconsumption,extendedserialbus(I2C)andcontrolnetworkbus(CAN)andotherfunctionsbeimproved.PHILIPSCorporationC51inthedevelopmentoflow-power,highspeedandenhancedfunctionalitymademanycontributionstothedevelopmentofitsfirstmajorC51single-chip,theysave83Cxxand87Cxxseriesofparallelexpansionbus,suitableforcontrolofhouseholdappliancesasacategoryofsingle-chipmicrocomputeroftheeconomy.ATMELCorporationAT89CxxintroducedC51rangeofcompatiblesingle-chip,tobeperfectlyFlash(non-volatileflashmemorytechnology)EEPROMwith80C51corecombinetheuseofC51isstilltheoverallstructureandcommandsystem,Flashcanbeanti-erasableprogrammemorycaneffectivelyreducethedevelopmentcostsandallowforrepeateduseofsingle-chipmicrocomputer.SiemensalsousethecoreofC51,C500serieshasintroducedsingle-chip,whilemaintainingcompatibilitywiththeC51instructionsunderthepremi...
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