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First,Thedefinitionofasingle-chipSingle-chipisanintergratedonasinglechipacompletecomputersystem.Eventhoughmostofhisfeatureinasmallchip,butithasaneedtocompletethemajorityofcomputercomponent:CPU,memory,internalandexternalbussystem,mostwillhavetheCore.Atthesametime,suchasintegratedcommunicationinterfaces,timers,real-timeclockandotherperipheralequipment.Andnowthemostpowerfulsingle-chipmicrocomputersystemcanevenvoice,image,networking,inputandoutputcomplexsystemintegrationonasinglechip.Alsoknownassingle-chipMCU(Microcontroller),becauseitwasfirstusedinthefieldofindustrialcontrol.Onlybythesingle-chipCPUchipdevelopedfromthededicatedprocessor.ThedesignconceptisthefirstbyalargenumberofperipheralsandCPUinasinglechip,thecomputersystemsothatsmaller,moreeasilyintegratedintothecomplexanddemandingonthevolumecontroldevices.INTELtheZ80isoneofthefirstdesigninaccordancewiththeideaoftheprocessor,Fromthenon,theMCUandthedevelopmentofadedicatedprocessorpartedways.Earlysingle-chip8-bitorallofthefour.OneofthemostsuccessfulisINTEL’s8031,becausetheperformanceofasimpleandreliableaccesstoalotofgoodpraise.Sincethenin8031todevelopasingle-chipmicrocomputersystemMCS51series.Basedonsingle-chipmicrocomputersystemofthesystemisstillwidelyuseduntilnow.Asthefieldofindustrialcontrolrequirementsincreaseinthebeginningofa16-bitsingle-chip,butnotidealbecausethepricehasnotbeenverywidelyused.Afterthe90’swiththebigconsumerelectronicsproductdevelopment,single-chiptechnologyisahugeimprovement.INTELi960SerieswithsubsequentARMinparticular,abroadrangeofapplication,quicklyreplacedby32-bitsingle-chip16-bitsingle-chiphigh-endstauts,andenterthemainstreammarket.Traditional8-bitsingle-chipperformancehasbeentherapidincreaseinprocessingpowercomparedtothe80’storaiseafewhundredtimes.Atpresent,thehigh-end32-bitsingle-chipfrequencyover300MZH,theperformanceofthemid-90’scloseontheheelsofaspecialprocessor,whiletheordinarypriceofthemodeldroppedtooneU.S.dollars,themosthigh-endmodels.only10U.S.dollars.ContemporarySingle-chipmicrocomp
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