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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,itwasoriginallyusedinthefieldofindustrialcontrol.Duetothemic
2、rocomputerinthefieldofindustrialcontrolapplications,tomakemorethepersonageinsidecourseofstudy,students,hobbyists,productdevelopmentstaffmastermicrocontrollerthistechnology,thenMCUdevelopmentboard,themorefamousexampleofelectronicDZR-01AMCUdevelopmentboard.ChipbychipCPUonlyded
3、icatedprocessoranddevelopment.TheearliestdesignconceptisthelargenumberofperipheralsandCPUintegratedonachip,allowingthecomputersystemtoasmaller,easiertointegrateintothecomplexandthevolumerequiresstrictcontroloftheequipment.INTELZ80istheearliestaccordingtothisthoughtdesignofth
4、eprocessor,fromthenon,thedevelopmentofSCMandspecialprocessorpartcompanyeachgoinghisownway.EarlySCMare8or4bit.OneofthemostsuccessfulINTEL8031,becausesimplereliableandgoodperformanceachievedgreatacclaim.Thereafterin8031onthedevelopmentoftheMCS51seriessinglechipsystem.Basedonth
5、issystemofsinglechipmicrocomputersystemisstillwidelyused.Asthefieldofindustrialcontrolrequirementsincrease,begana16bitsinglechipmicrocomputer,butbecausethepriceisnotidealdidnothaveaverywiderangeofapplications.After90yearswiththeconsumerelectronicproductdevelopment,SCMtechnol
6、ogyhasahugeincrease.AlongwiththeINTELi960seriesespeciallylaterARMseriesofwidelyused,32bitsinglechipmicrocomputerrapidlyreplacedthe16bitMCUhighposition,andintothemainstreammarket.Whilethetraditional8bitSCMperformancehasalsobeenenhancedrapidly,handlingcapacitycomparedto80ininc
7、reasedhundredsoftimes.Atpresent,thehigh-end32bitsinglechipmicrocomputerfrequencyismorethan300MHz,performancewas90timemetaphasededicatedprocessor,andcommonmodelsoftheex-factorypricefellto$1,themosthigh-endmodelsonly$10.Thesinglechipmicrocomputersystemhasnotonlythebaremetalenv
8、ironmentdevelopmentanduse,largenumberofspecialembeddedoperatingsystemiswide
