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。smallsize,lightweight,cheap,forthestudy,applicationanddevelopmentoffacilitiesprovided.Atthesametime,learningtousetheMCUistounderstandtheprincipleandstructureoftheputerthebestchoice.MCUandtheputeruseisalsosimilartothemodule,suchasCPU,memory,parallelbus,aswellastheroleandthesameharddiskmemory,isitdifferentfromtheperformanceoftheseponentsarerelativelyweakinourhomeputeralot,butthepriceislow,thereisgenerallynomorethan10yuan......canuseittomakesomecontrolforaclassofelectricalworkisnotveryplexisareusingautomaticdrumwashingmachines,smokehood,VCDandsooninsidethehomeappliancescanseeit39。sshadow!......Itismainlyaspartofthecoreponentofthecontrol.Itisanonlinerealtimecontrolcomputer,controllineisthatthesceneisneededisastrongerantijammingability,lowcost,andthisis,andofflineputer(suchashomePC),themaindifference.Bysinglechipprocess,andcanbenotveryplexfunctionsifthe5039。swiththeUnitedStatesdeveloped74series,orthe6039。sCD4000seriesofthesepurehardwarebuttoned,thenthecircuitmustbealargePCBboard!ButiftheUnitedStatesifthe7039。swithaseriesofsuccessfulSCMmarket,theresultwillbeadrasticchange!Justbecauseyouarepreparedbymicroputerprogramscanachievehighintelligence,highefficiencyandhighreliability!MCUandtheputeruseisalsosimilartothemodule,suchasCPU,memory,parallelbus,aswellastheroleandthesameharddiskmemory,isitdifferentfromtheperformanceoftheseponentsarerelativelyweakinourhomeputeralot,butthepriceislow,thereisgenerallynomorethan10yuan......canuseittomakesomecontrolforaclassofelectricalworkisnotveryplexisareusingautomaticdrumwashingmachines,smokehood,VCDandsooninsidethehomeappliancescanseeit39。sshadow!......Itismainlyaspartofthecoreponentofthecontrol.Itisanonlinerealtimecontrolcomputer,controllineisthatthesceneisneededisastrongerantijammingability,lowcost,andthisis,andofflineputer(suchashomePC),themaindifference.MCUhistorySinglechip70wasborninthelate20thcentury,experiencedaSCM,MCU,SOCthreestages.(1)SCMthesinglechipmicroputer(SingleChipMicroputer)stage,mainlyseekingthebestofthebestsingleformofembeddedsystemsarchitecture.Innovationmodelsuccess,layingtheSCMandgeneralputerpletelydifferentpathofdevelopment.Intheopenroadofindependentdevelopmentofembeddedsystems,IntelCorporationcontributed.(2)MCUthemicrocontroller(MicroControllerUnit)stage,themaindirectionoftechnologydevelopment:expandingtomeettheembeddedapplications,thetargetsystem requirementsforthe variousperipheralcircuitsandinterfacecircuits,highlighttheobjectofintelligentinvolves theareasassociatedwiththeobjectsystem,therefore,the developmentofMCU39。sresponsibilityinevitablyfallsonelectrical,electronicsmanufacturers.Fromthispointofview,Intelfaded MCU development has its objective factors. In the developmentofMCU,themostfamousmanufacturersasthenumberofPhilipsCorporation.Philipspanyinembeddedapplications,itsgreatadvantage,theMCS51singlechipmicroputerfromtherapiddevelopmentofthemicrocontroller.Therefore,whenwelookbackatthepathofdevelopmentofembeddedsystems,donotforgetIntelandPhilipsinHistory.(3)Embeddedsystemmicrocontrollerisanindependentdevelopmentpath,theMCUimportantfactorinthedevelopmentstage,isseekingapplicationstomaximizethesolutiononthechip。Therefore,thedevelopmentofdedicatedsinglechipSOCtrendofthenaturalform.Asthemicroelectronics,ICdesign,EDAtoolsdevelopment,applicationsystembasedonMCUSOCdesignhavegreaterdevelopment.Therefore,theunderstandingofthemicrocontrollerchipmicroputercanbe,extendedtothesinglechipmicrocontrollerapplications.MCUapplicationsAtpresent,MCUtoinfiltrateallareasofourlives,whichisalmostdifficulttofindtracesofthefieldwithoutSCM.Missilenavigationequipment,aircraft,alltypesofinstrumentcontrol,puternetworkmunicationsanddatatransmission,industrialautomation,realtimeprocesscontrolanddataprocessing,extensiveuseofvarioussmartICcard,civilianluxurycarsecuritysystem,videorecorder,camera,fullyautomaticwashingmachinecontrol,andprogramcontrolledtoys,electronicpet,etc.,whichareinseparablefromthemicrocontroller.Nottomentiontheareaofrobotcontrol,intelligentinstruments,medicalequipmentwas.