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1、大連交通大學(xué)2012屆本科生畢業(yè)設(shè)計(jì)外文翻譯外文原文Single-chipmicrocomputer1.theintroductionofthesinglechipmicrocomputerThesinglechipisonekindofintegratedcircuitchip,whichusestheultralarge-scaletechnologyandhasthedata-handlingcapacity(forexamplearithmeticoperation,logicoperation,datatransfer,i
2、nterruptprocessing)themicroprocessor(CPU),randomaccessdata-carrierstorage(RAM),read-onlyprogrammemory(ROM),inputoutputcircuit(I/O),possiblyalsoincludesfixedtimethecounter,serialpassesunguardedly(SCI),demonstrationactuationelectriccircuit(LCDorLEDactuationelectriccircui
3、t),pulse-durationmodulationelectriccircuit(PWM),simulationmultichannelswitchandA/ElectriccircuitandsoonDswitchintegratestotogetherthemonolithchipon,constitutestobesmallestthecomputersystemwhichhoweverconsummates.Theseelectriccircuitscanunderthesoftwarecontrolaccurate,b
4、erapid,highlyeffectivecompletetheproceduredesignerpresettheduty.Fromthislookedthat,singlechiphasthefunctionwhichthemicroprocessordoesnothave,itmayalonecompletetheintellectualizationcontrolfunctionwhichthemodernindustrycontrolrequests,thisissinglechipbiggestcharacterist
5、ic.Howeversinglechipalsoisdifferentwiththesingletrigger,thechipbeforethedevelopment,itonlyhasthefunctiongreatlystrengthenedultralargescaleintegratedcircuit,ifentrustswithitthespecificprocedure,itthenisyoungest,theintegritymicrocomputercontrolsystem,it(PCmachine)hasthee
6、ssentialdifferencewiththesingletriggerorthepersonalcomputing,singlechipapplicationbelongstothechiplevelapplication,needstheusertounderstandsinglechipchipthestructureandthecommandsystemaswellasotherintegratedcircuitapplicationtechnologiesandthesystemdesignneedtheoryandt
7、echnology,withsuchspecificchipdesignapplicationprocedure,thuscausesthischiptohavethespecificfunction.Thedifferentsinglechiphasthedifferenthardwarecharacteristicandthesoftwarecharacteristic,namelytheirtechnicalcharacteristicisdifferent,thehardwarecharacteristicisdecided
8、bysinglechipchipinternalstructure,theusermustusesomekindofsinglechip,mustunderstandwhetherthisproductdoessatisfythech
