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中英文资料翻译题目TheDescriptionofMCU系别中德机电学院专业机电一体化技术班级机电1002班学生姓名刘兆华学号100101239指导教师赵振荣2012年12月无锡科技职业学院毕业论文中英文翻译1英文原文资料：TheDescriptionofMCUMCUDescriptionSCMisalsoknownasmicro-controller(MicrocontrollerUnit),commonlyusedlettersoftheacronymMCUMCUthatitwasfirstusedinindustrialcontrol.OnlyasinglechipbytheCPUchipdevelopedfromadedicatedprocessor.ThefirstdesignisbyalargenumberofperipheralsandCPUonachipinthecomputersystem,smaller,moreeasilyintegratedintoacomplexanddemandingonthevolumecontroldevicewhich.INTEL'sZ80isthefirstdesignedinaccordancewiththisideaprocessor,thenonthedevelopmentofmicrocontrolleranddedicatedprocessorshavepartedways.Are8-bitmicrocontrollerearlyor4bits.OneofthemostsuccessfulistheINTEL8031,forasimple,reliableandgoodperformancewasalotofpraise.Thendevelopedin8031outofMCS51MCUSystems.SCMsystemsbasedonthissystemuntilnowisstillwidelyused.Withtheincreasedrequirementsofindustrialcontrolfield,begana16-bitmicrocontroller,becausethecostisnotsatisfactorybuthavenotbeenverywidelyused.After90yearswiththegreatdevelopmentofconsumerelectronics,microcontrollertechnologyhasbeenahugeincrease.WithINTELi960series,especiallythelaterseriesofwidelyusedARM,32-bitmicrocontrollerquicklyreplacehigh-end16-bitMCUstatusandenterthemainstreammarket.Thetraditional8-bitmicrocontrollerperformancehavebeentherapidincreasecapacityincreasecomparedto80thenumberoftimes.Currently,high-end32-bitmicrocontrollerclockedover300MHz,theperformancecatchingthemid-90'sdedicatedprocessor,whiletheaveragemodelpricesfalltooneU.S.dollars,themosthigh-end[1]modelonly10dollars.ModernSCMsystemsarenolongeronlyinthedevelopmentanduseofbaremetalenvironment,alargenumberofproprietaryembeddedoperatingsystemiswidelyusedinthefullrangeofSCM.Thehandheldcomputersandcellphonesasthecoreprocessingofhigh-endmicrocontrollercanevenuseadedicatedWindowsandLinuxoperatingsystems.SCMismoresuitablethanthespecificprocessorusedinembeddedsystems,soitwasuptotheapplication.InfactthenumberofSCMistheworld'slargestcomputer.Modernhumanlifeusedinalmosteverypieceofelectronicandmechanicalproductswillbeintegratedsinglechip.Phone,telephone,calculator,homeappliances,electronic无锡科技职业学院毕业论文中英文翻译2toys,handheldcomputersandcomputeraccessoriessuchasamousewitha1-2inboththeDepartmentofSCM.PersonalcomputerwillhavealargenumberofSCMinthework.Generalcarwithmorethan40SCM,complexindustrialcontrolsystemsmayevenhavehundredsofSCMinthesametimework!SCMisnotonlyfarexceedsthenumberofPCandothercomputingthesum,orevenmorethanthenumberofhumanbeingsSinglechip,alsoknownassingle-chipmicrocontroller,itisnotcompleteacertainlogicchips,buttoacomputersystemintegratedintoachip.Equivalenttoamicro-computer,andcomputerthanjustthelackofamicrocontrollerI/Odevices.Generaltalk:achipbecomesacomputer.Itssmallsize,lightweight,cheap,forthestudy,applicationanddevelopmentoffacilitiesprovided.Atthesametime,learningtousetheMCUistounderstandtheprincipleandstructureofthecomputerthebestchoice.SCMandthecomputerfunctionsinternallywithsimilarmodules,suchasCPU,memory,parallelbus,thesameeffectaswell,andharddiskmemorydevices,anddifferentisitsperformanceofthesecomponentswererelativelyweakmanyofourhomecomputer,butthepriceislow,usuallynotmorethan10yuanyoucandowithit......somecontrolforaclassisnotverycomplicatedelectricalworkisenoughof.Weareusingautomaticdrumwashingmachine,smokehood,VCDandsoonapplianceswhichcouldseeitsshadow!......ItisprimarilyasacontrolsectionofthecorecomponentsItisanonlinereal-timecontrolcomputer,control-lineisthatthesceneisneededisastrongeranti-jammingability,lowcost,andthisis,andoff-linecomputer(suchashomePC),themaindifference.SinglechipMCUisthroughrunning,andcanbemodified.Throughdifferentprocedurestoachievedifferentfunctions,inparticularspecialuniquefeatures,thisisanotherdevicemucheffortneedstobedone,somegreateffortsareverydifficulttodo.Anotverycomplexfunctionsifthe50'swiththeUnitedStatesdeveloped74series,orthe60'sCD4000seriesofthesepurehardwarebuttoned,thenthecircuitmustbealargePCBboard!ButiftheUnitedStatesifthe70'swithaseriesofsuccessfulSCMmarket,theresultwillbeadrasticchange!Justbecauseyouarepreparedbymicrocomputerprogramscanachievehighintelligence,highefficiencyandhighreliability!Asthemicrocontrolleronthecost-sensitive,sonowthedominantsoftwareorthe无锡科技职业学院毕业论文中英文翻译3lowestlevelassemblylanguage,whichisthelowestlevelinadditiontomorethanbinarymachinecodelanguage,andassolowwhyistheuse?Manyhigh-levellanguagehasreachedthelevelofvisualprogrammingWhyisnotit?ThereasonissimplythatthereisnohomecomputerasasinglechipCPU,notashardasamassstoragedevice.Avisualizationofsmallhigh-levellanguageprogramwhichevenifonlyonebutton,willreachtensofKofsize!ForthehomePC'sharddriveintermsofnothing,butintermsoftheMCUisnotacceptable.SCMintheutilizationofhardwareresourcestobeveryhighforthejobsoalthoughtheoriginalisstillinthecompilationofalotofuse.Thesametoken,ifthegiantcomputeroperatingsystemandapplicationsrunuptogethomePC,homePC,alsocannotaffordto.Canbesaidthatthetwentiethcenturyacrossthethreepowerera,thatis,theageofelectricity,theelectronicageandhasenteredintothecomputera