5电气自动化 单片机 外文文献 英文文献 外文翻译 中英对照大学毕设论文.doc

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1、Single-chip1.Thedefinitionofasingle-chipSingle-chipisanintegratedonasinglechipacompletecomputersystem.Eventhoughmostofhisfeaturesinasmallchip，butithasaneedtocompletethemajorityofcomputercomponents：CPU，memory，internalandexternalbussystem，mostwillhavetheCore.Atthesamet

2、ime，suchasintegratedcommunicationinterfaces，timers，real-timeclockandotherperipheralequipment.Andnowthemostpowerfulsingle-chipmicrocomputersystemcanevenvoice，image，networking，inputandoutputcomplexsystemintegrationonasinglechip.Alsoknownassingle-chipMCU（Microcontroller

3、），becauseitwasfirstusedinthefieldofindustrialcontrol.Onlybythesingle-chipCPUchipdevelopedfromthededicatedprocessor.ThedesignconceptisthefirstbyalargenumberofperipheralsandCPUinasinglechip，thecomputersystemsothatsmaller，moreeasilyintegratedintothecomplexanddemandingon

4、thevolumecontroldevices.INTELtheZ80isoneofthefirstdesigninaccordancewiththeideaoftheprocessor，Fromthenon，theMCUandthedevelopmentofadedicatedprocessorpartedways.Earlysingle-chip8-bitorallthefour.OneofthemostsuccessfulisINTELs8031，becausetheperformanceofasimpleandrelia

5、bleaccesstoalotofgoodpraise.Sincethenin8031todevelopasingle-chipmicrocomputersystemMCS51series.basedonsingle-chipmicrocomputersystemofthesystemisstillwidelyuseduntilnow.Asthefieldofindustrialcontrolrequirementsincreaseinthebeginningofa16-bitsingle-chip，butnotidealbec

6、ausethepricehasnotbeenverywidelyused.Afterthe90swiththebigconsumerelectronicsproductdevelopment，single-chiptechnologyisahugeimprovement.INTELi960serieswithsubsequentARMinparticular，abroadrangeofapplication，quicklyreplacedby32-bitsingle-chip16-bitsingle-chipperformanc

7、ehasbeentherapidincreaseinprocessingpowercomparedtothe80storaiseafewhundredtimes.Atpresent，thehigh-end32-bitsingle-chipfrequencyover300MHz，theperformanceofthemid-90scloseontheheelsofaspecialprocessor，whiletheordinarypriceofthemodeldroppedtooneU.Sdollars，themosthigh-e

8、ndmodels，only10U.Sdollars.Contemporarysingle-chipmicrocomputersystemisnolongeronlythebare-metalenvironmentinthedevelopmentanduseofa