单片机设计外文翻译1.docx
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单片机设计外文翻译1
外文资料与中文翻译
外文资料:
1microcontrollerfeaturesofthedevelopmentoftechnology
SCMhasbeentheresince,SCMtechnologyhasgonethroughnearly20yearsofdevelopmentjourney.Throughoutthepast20yearsofSCMExhibitionhistorywecanseethattheSCMtechnologytothedevelopmentofthemicroprocessor(MPU)technologyandultra-large-scaleintegratedcircuittechnologyfortheExhibitionforthepilottopullawiderangeofapplications,showingmorepersonalitythanthemicroprocessortrendofdevelopment:
SCMlonglifeheresaidthelong-life,ontheonehandreferstothedevelopmentofSCMproductscanbestableandreliablework10,20,ontheotherhandreferstothemicroprocessorcomparedtothelonglife.Withtherapiddevelopmentofsemiconductortechnology,MPUreplacementfaster,to386,486,586astherepresentativeoftheMPU,withinaveryshorttimetobeoutofBureau,andthetraditionalmicrocontrolleras68HC05,8051,andsohasbeen15yearsofage,theoutputisstillrising.ThisisfromItsapplicationtothecorrespondingareasofadaptation,ontheotherhandisduetosuchCPUasthecore,integratedwithmoreI/OfunctionsSCMmoduleofthenewseriesemerging.ItisexpectedthatthesuccessfullistingoftherelativelyyoungcoreCPU,alsowiththeTheI/Omodulesoftherich,havealonglifecycle.NewtypesofjoiningtheCPU,theSCMteamHasgrowntotheuserbringsmorechoice.
8,16,32-bitmicrocontrollercommondevelopmentthisisthecurrentSCMtechnologydevelopmenttrendsoftheother.Foralongtime,single-Machinetechnologyisthedevelopmentofeight-oriented.Asmobilecommunication,networktechnology,multimediatechnology,andotherhigh-techproducts
Accesstofamily,32-bitmicrocontrollerapplicationshavebeendevelopedbyleapsandbounds.以MotorolaMotorola68KfortheCPUtothe32ofthe97SCMAugustsalesof10million.ThatbecauseofthepasteightSCMfunctionisgrowing,moreandcheaper32-bitmachine,16SCMlivingspaceislimited,and16-bitmicrocontrollersfromthedevelopmentofbothvarietiesandproduction,inrecentyearshavesubstantiallymore。
Ofgrowth.SCMfasterdevelopmentintheMPUdemonstratedbythefasterclockfrequencyisincreasingasthehallmark。
The.TheSCMisdifferent,toenhanceSCManti-disturbancecapacity,lowernoiseandlowerclockfrequencywithoutsacrificeSCMofferingscomputingspeedisthepursuitoftechnologicaldevelopment.8051MCUwithsomemanufacturerstoimprovetheinternalwhentheMCUSequence,withoutraisingtheclockfrequencyofconditions,toraisealotfaster,MotorolaMCUisusedSuoRingoftechnologyorinternalfrequencytechnologytotheinternalbusspeedsignificantlyhigherthanthefrequencyoftheclockgenerator.68HC08microcontrollerto4.9Mwithexternalandinternalclockoscillatorof32M,and32-bitmicrocontrollerseriesM68Ktheuseof32KexternaloscillatorfrequenciesUpto16MHzinternalclockabove.
Low-voltageandlowpowerconsumptionsincethemid-1980s,NMOStechnologySCMgraduallyreplacetheCMOSprocess,thepowerto1.5、1.2、0.8、0.5、0.35Droppedsubstantially,withtheultra-large-scaleintegratedcircuittechnologyfrom3μmofdevelopmentto1.5,1.2,0.8,0.5,0.35。
Andtherealizationofnearly0.2μmtechnology,alldesignedsothatstaticclockfrequencyfromDCtoseveraltrillionoptional,sothatpowerconsumptiondecliningMotorolarecentlyintroducedoptionalM.COREinthe1.8Vvoltageto50M/48MIPSworkatfullspeed,powerisabout20mW。
20mW.AlmostalltheSCMhasWait,Stop,andotherpower-savingoperationmode.AllowingtheuseofthepowersupplyvoltagerangeIncreasinglywide.GeneralSCMcanbethreeto6Vworkwithintheframeworkofthebattery-poweredSCMisnolongertheneedforpower-Regulatorstakemeasures.SCMlow-voltagepowersupplyhasbeenlowerlimitof2.7Vto2.2V,1.8V.0.9VThesingle0.9VpowersupplyMachinehascomeout.
LownoiseandhightechnologytoimprovethereliabilityofthesystemMCU-electromagneticinterferenceability,sothatproductscanadapttotheadverseFortheenvironment,tomeethigherstandardsofelectromagneticcompatibilityrequirements,theSCMbusinessmenintheinternalcircuitstoSCMAnumberofnewtechnicalmeasures.NSsuchasNationalSemiconductor'sinternalCOP8SCMincreasedanti-EMIcircuit,andstrengthened"Watchdog"performance.Motorolaalsointroducedalow-noiseLNseriesofSCM.
OTPandmaskOTPisaone-timewrittenintotheSCM.SCMpastthataproductisputintooperationmaskofmaturityAsthehallmarkoftheSCM.Asweneedtomasktheproductioncycle,whileOTP-declineSinglechipprices,makingInrecentyearstheuseofdirectOTPcompletedthefinalproductmanufacturersmorepopular.Itcomparedtomaskashortproductioncycle,thesmallriskCharacteristics.Inrecentyears,OTPtypeofmicrocontrollertobesignificantlyhigher,tomeetthisdemandinmanymicrocontrollerusedinthefilmProgramming(InSystemProgramming).OTPprogrammingofthechipcanbetechnicalordieBondingsurfacepasteTechnology,weldinginthefirstprintingplate,andthenleadsthroughtheMCUontheprogrammingline,serialdata,suchason-chipclocklineMachineprogramming.ResolvedthebulkwriteOTPchipvulnerabletothechipandintocontactwithbadproblems.SothatthebareOTPTabletsarewidelyusedtoreducethecostoftheproduct.ProgramminglinewiththeI/Olinesharing,nottoincreasetheadditionalpinmicrocontroller.SomemanufacturershaveintroducedtheSCMnolongermasktype,foralltheISPfunctionsoftheOTP.
OTPMTPtoMTPisthechallengeformultipleprogrammingmean.SomemanufacturerstoSCMMTPperformance,OTPpricelaunchedTheSCM,suchasATMELAVRmicrocontroller,on-chipusingFLASH,formultipleprogramming.Winbond'sproductioncompanyand8051-compatiblemicrocontrolleralsoadoptedtheMTPperformance,OTPprice.ThesearetheuseoftheISPSCMtechnologies,suchasinstallationPrintedcircuitboardatalatertimetodownload.
2AwideselectionofSCM
SCMMotorolaMotorolaistheworld'slargestmanufacturersofSCM.Allvarieties,choice,newproductsManyofitsfeatures,thereareeightof68HC05andupgradingofproducts68HC08,68HC05havemorethan30series,morethan200Varieties,productionhasmorethan2billion.8enhancedMCU68HC11hasmorethan30varieties,100millioninannualoutputUpgradingofproductsare68HC12.16crew68HC16hasover10varieties.32SCM683XXseriesalsoTherearedozensofvarieties.Inrecentyears,PowerPC,Coldfire,M.COREastheCPU.DSPmodulewillbeassistedasIntegratedSCMhavealsolaunched.SCMisstillthefirstchoiceforlicensing.MotorolaisoneofthecharacteristicsofSCMUnderthesamespeedusedbytheclockfrequencythanIntelcategorySCMmuchlower,thusmakinghigh-frequencylownoise,interferencecanResilient,moresuitableforindustrialareasandpoorenvironment.Motorola8-bitmicrocontrollerspastthemaskisthemainstrategyRecentlyintroducedOTPplanstoadapttonewtrendsinthedevelopmentofSCM,inthe32onboard,M.COREinperformanceandpowerconsumptionArebetterthantheARM7.
MicrochipmicrocontrollerMicroshipSCMisthefastestgrowingmarketshareoftheSCM.Itsmainproductis16CSeries8-bitmicrocontrollers,CPUuseRISCarchitecture,only33directives,runfaster,andtoalow-cost,generalSCMpricesarebelowadollar.MicroshipSCMnotmaskproducts,allOTPdevices,Microshipstressedthatthemostcost-optimizeddesign,suitableforconsumption,lowgrade,pricesensitiveproducts.
ScenixSCMScenixMCUI/OmoduleswithnewI/OmodulesoftheintegratedcombinationoftechnologyandtechnologyisSCM
Anindispensableimportantaspects.InadditiontothetraditionalI/OmodulessuchasparallelI/O,URT,SPI,I2C,A/D,PWM,PLL,DTMF,thenewI/Omodulesemerging,suchasUSB,CAN,J1850,isthemostrepresentativeofMotorola32-bitmicrocontroller,whichintegratesavarietyofcommunicationprotocols,includingtheI/Omodules,andScenixSCMinI/OmodulesHandlingoftheintroductionoftheVirtualI/O'snewconcept.adoptedthestructureoftheRISCCPU,theCPUmaximumoperatingfrequencyof50MHz.Computationalspeedcloseto50MIPS.WithapowerfulCPU,allI/OfunctionswillbeabletousesoftwaretosimulateSCMadopted20/28-pinpackage.OffersawiderangeofI/O'slibraryfortherealizationofI/OmodulesFunction.Thesesoftwaremodulesincludingthecompletionofthemulti-channelUART,multi-channelA/D,PWM,SPI,DTMF,FSK,LCDDriverAndsoon,theseareoftenusedtogetherhardwaremoduleisquitecomplex.
NECMCUMCUZichengtijito8-bitmicrocontrollers78Kseriesofthehighestyield,butalso16,32MonolithicMachine.16adopttheoctaveaboveSCMtechnologyinordertoreducetheclockfrequency.SomeMCUwithbuilt-inoperationSystem.NEC'ssalesstrategyfocusedonthecustomerserviceandinvestconsiderabletechnicalforcetohelpthecustomerstodevelopproducts
ToshibaToshibaMCUMCUischaracterizedbyplanefromfourto64-widerange.4machineinthefieldofhouseholdelectricalappliancesarestillmoreBigmarket.Eightmajor870-series,90series,theMCUallowstheuseofsuchslowmode,a32KclockWhenpowerconsumptionto10μAnumberofclass.CPU'sinternaluseofmultipleregisters,makinginterruptresponseandprocessingmoreefficient.Toshiba's32-bitmicrocontrollerusingtheMIPS3000ARISCCPUstructure,andtheVCD,digitalcameras,imageprocessing,etc.Market.
FujitsuFujitsuMCUhaseight,16and32-bitmicrocontroller,buteightofthe16aircraftistheCPUcoreThismeansthateightplanesand16aircraftusedinthesamedirection,