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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,itwasoriginallyusedinthefieldofindu
2、strialcontrol.Duetothemicrocomputerinthefieldofindustrialcontrolapplications,tomakemorethepersonageinsidecourseofstudy,students,hobbyists,productdevelopmentstaffmastermicrocontrollerthistechnology,thenMCUdevelopmentboard,themorefamousexampleofelectro
3、nicDZR-01AMCUdevelopmentboard.ChipbychipCPUonlydedicatedprocessoranddevelopment.TheearliestdesignconceptisthelargenumberofperipheralsandCPUintegratedonachip,allowingthecomputersystemtoasmaller,easiertointegrateintothecomplexandthevolumerequiresstrict
4、controloftheequipment.INTELZ80istheearliestaccordingtothisthoughtdesignoftheprocessor,fromthenon,thedevelopmentofSCMandspecialprocessorpartcompanyeachgoinghisownway.EarlySCMare8or4bit.OneofthemostsuccessfulINTEL8031,becausesimplereliableandgoodperfor
5、manceachievedgreatacclaim.Thereafterin8031onthedevelopmentoftheMCS51seriessinglechipsystem.Basedonthissystemofsinglechipmicrocomputersystemisstillwidelyused.Asthefieldofindustrialcontrolrequirementsincrease,begana16bitsinglechipmicrocomputer,butbecau
6、sethepriceisnotidealdidnothaveaverywiderangeofapplications.After90yearswiththeconsumerelectronicproductdevelopment,SCMtechnologyhasahugeincrease.AlongwiththeINTELi960seriesespeciallylaterARMseriesofwidelyused,32bitsinglechipmicrocomputerrapidlyreplac
7、edthe16bitMCUhighposition,andintothemainstreammarket.Whilethetraditional8bitSCMperformancehasalsobeenenhancedrapidly,handlingcapacitycomparedto80inincreasedhundredsoftimes.Atpresent,thehigh-end32bitsinglechipmicrocomputerfrequencyismorethan300MHz,per
8、formancewas90timemetaphasededicatedprocessor,andcommonmodelsoftheex-factorypricefellto$1,themosthigh-endmodelsonly$10.Thesinglechipmicrocomputersystemhasnotonlythebaremetalenvironmentdevelopmentanduse,largenumberofspecialembeddedoperatingsystemiswide
