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1FromtheworldofradiointheworldtoasinglechipModerncomputertechnology,industrialrevolution,theworldeconomyfromthecapitalintotheeconomytoknowledgeeconomy.Fieldintheelectronicworld,fromthe20thcenturyintotheeraofradiotocomputertechnologyinthe21stcenturyasthecenteroftheintelligentmoderneraofelectronicsystems.Thebasiccoreofmodernelectronicsystemsareembeddedcomputersystems(referredtoasembeddedsystems),whilethemicrocontrolleristhemosttypicalandmostextensiveandmostpopularembeddedsystems.First,radiohascreatedgenerationsofexcellenceintheworldFiftiesandsixtiesinthe20thcentury,themostrepresentativeoftheadvancedelectronictechnologyiswirelesstechnology,includingradiobroadcasting,radio,wirelesscommunications(telegraph),AmateurRadio,radiopositioning,navigationandothertelemetry,remotecontrol,remotetechnology.Earlythattheseelectronictechnologyledmanyyoungpeopleintothewonderfuldigitalworld,radioshowwasawonderfullife,theprospectsforscienceandtechnology.Electronicsbegantoformanewdiscipline.Radioelectronics,wirelesscommunicationsbegane-worldjourney.Radiotechnologynotonlyasarepresentativeofadvancedscienceandtechnologyatthattime,butalsofrompopulartoprofessionalfieldsofscience,attractingtheyoungpeopleandenablethemtofindalotoffun.Orefromthebedsidetothesuperheterodyneradioradio;reportissuedfromtheradioamateurradiostations;fromthetelephone,electricbelltotheradiocontrolmodel.Becamepopularyouthradiotechnology,scienceandtechnologyeducationisthemostpopularandmostextensivecontent.Sofar,manyoftheoldergenerationofengineers,experts,Professoroftheyearareradioenthusiasts.Funradiotechnology,radiotechnology,comprehensivetraining,frombasicprinciplesofelectronics,electroniccomponentstotheradio-basedremotecontrol,telemetry,remoteelectronicsystems,hastrainedseveralgenerationsoftechnologicalexcellence.2Second,fromthepopularityoftheradioeratoeraofelectronictechnologyTheearlyradiotechnologytopromotethedevelopmentofelectronictechnology,mostnotablyelectronicvacuumtubetechnologytosemiconductorelectronictechnology.Semiconductortechnologytorealizetheactivedeviceminiaturizationandlowcost,somorepopularwithradiotechnologyandinnovation,andtogreatlybroadenthenumberofnon-radio-controlareas.Thedevelopmentofsemiconductortechnologyleadtotheproductionofintegratedcircuit,formingthemodernelectronictechnologyleapfromdiscreteelectronicsintotheeraoferaofintegratedcircuits.Electronicdesignengineersnolongerusethediscreteelectroniccomponentsdesignedcircuitmodules,anddirectselectionofintegratedcircuitcomponentsconstituteasinglesystem.Theyfreedthedesignofthecircuitunitdedicatedtosystemdesign,greatlyliberatingtheproductiveforcesofscienceandtechnology,promotethewiderspreadofelectronicsystems.Semiconductorintegratedcircuitsinthebasicdigitallogiccircuitsfirstbreakthrough.Alargenumberofdigitallogiccircuits,suchasgates,counters,timers,shiftregisters,andanalogswitches,comparators,etc.,fortheelectronicdigitalcontrolprovidesexcellentconditionsforthetraditionalmechanicalcontroltoelectroniccontrol.Powerelectronicdevicesandsensortechnologytomaketheoriginaltotheradioasthecenterofelectronictechnologyturnedtomechanicalengineeringinthefieldofdigitalcontrolsystems,testinginthefieldofinformationcollection,movementofelectricalmechanicalservodrivecontrolobject.Semiconductorandintegratedcircuittechnologywillbringusauniversalageofelectronictechnology,wirelesstechnologyasthefieldofelectronictechnologyapartof.70yearsintothe20thcentury,largescaleintegratedcircuitappearedtopromotetheconventionalelectroniccircuitunit-specificelectronicsystemsdevelopment.Manyelectronicsystemsunitintoadedicatedintegrateddevicessuchasradios,3electronicclocks,calculators,electronicengineersintheseareasfromthecircuit,thesystemdesignedtodebugintothedeviceselection,peripheraldeviceadapterwork.Electronictechnology,andelectronicproductsenriched,electronicengineerstoreducethedifficulty,butatthesametime,radiotechnology,electronictechnologyhasweakenedthecharm.Thedevelopmentofsemiconductorintegratedcircuitsclassicalelectronicsystemsarematuring,remaininthelargescaleintegratedcircuitotherthantheshrinkingofelectronictechnology,electronictechnologyisnottheolddaysofradiofuntimesandcomprehensiveengineeringtraining.Third,fromtheclassiceraofelectronictechnologytomodernelectronictechnologyofthetimes80yearsintothe20thcentury,thecenturyofeconomicchangeisthemostimportantrevolutioninthecomputer.Thecomputerrevolutioninthemostimportantsignisthebirthofthecomputerembeddedapplications.Moderncomputernumericalrequirementsshouldbeborn.Alongperiodoftime,istodevelopthemassivecomputernumericalduty.Butthecomputershowsthelogicoperation,processing,control,attractingexpertsinthefieldofelectroniccontrol,theywantdevelopmenttomeetthecontrolobjectrequirementsofembeddedapplications,computersystems.Ifyoumeetthemassivedata-processingcomputersystemknownasgeneral-purposecomputersystem,thenthesystemcanbetheembeddedobject(suchasships,aircraft,motorcycles,etc.)inacomputersystemcalledtheembeddedcomputer.Clearly,boththedirectionoftechnologydevelopmentaredifferent.Theformerrequ