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1、无锡职业技术学院系别（部、分院）电子信息技术系班级电子工艺30901姓名学号课题名称电热箱单片机温控系统指导教师职称讲师指导教师职称工程师2012年4月12日英文SinglechipmicrocomputerreferredtoasSCM,isatypicalembeddedmicrocontroller(MicrocontrollerUnit),commonEnglishletterabbreviationofMCUMCU,itwasoriginallyusedinthefieldofindustrialcont
2、rol.Duetothemicrocomputerinthefieldofindustrialcontrolapplications,tomakemorethepersonageinsidecourseofstudy,students,hobbyists,productdevelopmentstaffmastermicrocontrollerthistechnology,thenMCUdevelopmentboard,themorefamousexampleofelectronicDZR-01AMCUdevelop
3、mentboard.ChipbychipCPUonlydedicatedprocessoranddevelopment.TheearliestdesignconceptisthelargenumberofperipheralsandCPUintegratedonachip,allowingthecomputersystemtoasmaller,easiertointegrateintothecomplexandthevolumerequiresstrictcontroloftheequipment.INTELZ80
4、istheearliestaccordingtothisthoughtdesignoftheprocessor,fromthenon,thedevelopmentofSCMandspecialprocessorpartcompanyeachgoinghisownway.EarlySCMare8or4bit.OneofthemostsuccessfulINTEL8031,becausesimplereliableandgoodperformanceachievedgreatacclaim.Thereafterin80
5、31onthedevelopmentoftheMCS51seriessinglechipsystem.Basedonthissystemofsinglechipmicrocomputersystemisstillwidelyused.Asthefieldofindustrialcontrolrequirementsincrease,begana16bitsinglechipmicrocomputer,butbecausethepriceisnotidealdidnothaveaverywiderangeofappl
6、ications.After90yearswiththeconsumerelectronicproductdevelopment,SCMtechnologyhasahugeincrease.AlongwiththeINTELi960seriesespeciallylaterARMseriesofwidelyused,32bitsinglechipmicrocomputerrapidlyreplacedthe16bitMCUhighposition,andintothemainstreammarket.Whileth
7、etraditional8bitSCMperformancehasalsobeenenhancedrapidly,handlingcapacitycomparedto80inincreasedhundredsoftimes.Atpresent,thehigh-end32bitsinglechipmicrocomputerfrequencyismorethan300MHz,performancewas90timemetaphasededicatedprocessor,andcommonmodelsoftheex-fa
8、ctorypricefellto$1,themosthigh-endmodelsonly$10.Thesinglechipmicrocomputersystemhasnotonlythebaremetalenvironmentdevelopmentanduse,largenumberofspecialembeddedoperatingsystemiswide
