外文翻译基于单片机的智能电风扇控制系统文档格式.doc
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外文翻译基于单片机的智能电风扇控制系统文档格式.doc
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大连交通大学2012届本科生毕业设计外文翻译@#@外文原文@#@Single-chipmicrocomputer@#@1.theintroductionofthesinglechipmicrocomputer@#@Thesinglechipisonekindofintegratedcircuitchip,whichusestheultralarge-scaletechnologyandhasthedata-handlingcapacity(forexamplearithmeticoperation,logicoperation,datatransfer,interruptprocessing)themicroprocessor(CPU),randomaccessdata-carrierstorage(RAM),read-onlyprogrammemory(ROM),inputoutputcircuit(I/O),possiblyalsoincludesfixedtimethecounter,serialpassesunguardedly(SCI),demonstrationactuationelectriccircuit(LCDorLEDactuationelectriccircuit),pulse-durationmodulationelectriccircuit(PWM),simulationmultichannelswitchandA/ElectriccircuitandsoonDswitchintegratestotogetherthemonolithchipon,constitutestobesmallestthecomputersystemwhichhoweverconsummates.Theseelectriccircuitscanunderthesoftwarecontrolaccurate,berapid,highlyeffectivecompletetheproceduredesignerpresettheduty.Fromthislookedthat,singlechiphasthefunctionwhichthemicroprocessordoesnothave,itmayalonecompletetheintellectualizationcontrolfunctionwhichthemodernindustrycontrolrequests,thisissinglechipbiggestcharacteristic.Howeversinglechipalsoisdifferentwiththesingletrigger,thechipbeforethedevelopment,itonlyhasthefunctiongreatlystrengthenedultralargescaleintegratedcircuit,ifentrustswithitthespecificprocedure,itthenisyoungest,theintegritymicrocomputercontrolsystem,it(PCmachine)hastheessentialdifferencewiththesingletriggerorthepersonalcomputing,singlechipapplicationbelongstothechiplevelapplication,needstheusertounderstandsinglechipchipthestructureandthecommandsystemaswellasotherintegratedcircuitapplicationtechnologiesandthesystemdesignneedtheoryandtechnology,withsuchspecificchipdesignapplicationprocedure,thuscausesthischiptohavethespecificfunction.@#@Thedifferentsinglechiphasthedifferenthardwarecharacteristicandthesoftwarecharacteristic,namelytheirtechnicalcharacteristicisdifferent,thehardwarecharacteristicisdecidedbysinglechipchipinternalstructure,theusermustusesomekindofsinglechip,mustunderstandwhetherthisproductdoessatisfythecharacteristictargetwhichtheneedthefunctionandtheapplicationsystemrequests.Heretechnicalcharacteristicincludingfunctioncharacteristic,controlcharacteristicandelectricalspecificationandsoon,theseinformationneedstoobtainfromintheproductionmerchanttechnicalmanual.Thesoftwarecharacteristicisreferstothecommandsystemcharacteristicandthedevelopmentsupportenvironment,theinstructioncharacteristicissinglechipaddressingwaywhichweisfamiliarwith,thedataprocessingandthelogicalprocessingway,input-outputcharacteristicandtopowersourcerequestandsoon.Thedevelopmentsupportenvironmentiscompatibleandtheprobabilityincludingtheinstruction,supportsthesoftware(tocontainmaysupportdevelopmentapplicationproceduresoftwareresources)andthehardwareresources.Mustusesomemodelsinglechiptodevelopownapplicationsystem,masteritsstructurecharacteristicandthetechnicalcharacteristicisthatweneed..Singlechipcontrolsystemcouldsubstituteforbeforeusescontrolsystemwhichthecomplexelectroniccircuitorthedigitalcircuitconstituted,mightthesoftwarecontrolrealizes,andcouldrealizetheintellectualization,nowsinglechipcontrolcategoryomnipresent,forexamplecorrespondenceproduct,domesticelectricappliances,intelligentinstrumentmeasuringappliance,processcontrolandspecial-purposecontroldeviceandsoon,singlechipapplicationdomainwasmoreandmorewidespread.Indeed,singlechipapplicationsignificanceisfarisnotrestrictedinitsapplicationcategoryorfromthistheeconomicefficiencywhichbrings,itfundamentallychangedthetraditionalcontrolmethodandthedesignthoughtmoreimportantly.Iscontrolstechnicalarevolution,isanimportantmilestone.@#@2.TheMCU’sdevelopmentoutline@#@In1946firstelectronicaccountingmachinebirthuntilnow,onlythen50years,dependsuponmicroelectronictechnologyandthesemiconductortechnologyprogress,fromtheelectrontube-transistor-integratedcircuit-largescaleintegratedcircuit,nowtogetheronthechipdefinitelymayintegrateseveralmillionevenmorethantenmilliontransistor,causesthecomputervolumeslightly,thefunctionisstronger.Speciallyinthenearly20yearstime,computertechnologyobtainedtherapiddevelopment,thecomputerintheindustryandagriculture,thescientificresearch,theeducation,thenationaldefenseandtheaerospacedomainhasobtainedthewidespreadapplication,computertechnologyalreadywasanationalmodernscienceandtechnologylevelimportantsymbol.@#@Singlechipisborninthe20thcen
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