毕业论文外文翻译-stm32简介.doc
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毕业论文外文翻译-stm32简介.doc
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A.IntroductionofSTM32
STM32isbasedonthefamilyofARMCortex-M3core-designedspecificallyforembeddedapplicationsthatrequirehighperformance,lowcost,lowpowerconsumption.Theperformanceisdividedintotwodifferentseries:
STM32F103the"Enhanced"seriesandSTM32F101the"Basic"series.TheclockfrequencyofEnhancedSeriesisupto72MHz,thehighestperformanceofsimilarproducts;theclockfrequencyofBasicSeriesis36MHz,andthepricesof16positionproductssignificantlyenhancetheperformanceofmorethan16positionproducts,isthebestchoiceuserstobuythem.Thetwoseriesarebuilt-inflashfrom32Kto128K,isthecombinationofthemaximumcapacityoftheSRAMandperipheralinterfaces.Whentheclockfrequencyreaches72MHz,itexecutesfromFlashandtheSTM32powerconsumptionis36mA,thelowestpowerconsumptioninthe32-bitmarketproducts,theequivalentanimpressive0.5mA/MHz.
a.STMicroelectronicsGroup
STMicroelectronicsGroupwasestablishedinJune1987,isamergerofItaly'sSGSMicroelectronicsandtheFrenchThomsonsemiconductorcompany.InMay1998,SGS-THOMSONMicroelectronicswillchangethecompanynametoSTMicroelectronicsLimited.STMicroelectronicsisoneofthelargestsemiconductorcompaniesintheworld.Fromitsinceptiontodate,ST'sgrowingfasterthantheoverallrateofgrowthofthesemiconductorindustry.Since1999,SThasalwaysbeenoneoftheworld'stoptensemiconductorcompanies.Accordingtothelatestindustrystatistics,STMicroelectronicsistheworld'sfifthlargestsemiconductormanufacturerandaworldleaderinmanymarkets.Forexample,STMicroelectronicsistheworld'slargestdedicatedanalogchipsandpowerconversionchipmanufacturers,theworld'slargestindustrialsemiconductorandset-topboxchipsuppliersanddiscretedevices,mobilephonecameramoduleandcarfieldofintegratedcircuitshighestintheworld.
STMicroelectronicshastheentiregroupemploysnearly50,000,with16state-of-the-artR&Dinstitutionsand39designandapplicationcenters,15mainmanufacturingplant,andhas78salesofficesin36countries.ThecompanyisheadquarteredinGeneva,Switzerland,isalsotheheadquartersofEuropeanandemergingmarkets;company'sU.S.headquartersinDallas,Texas,Carrollton;Asia-PacificheadquartersinSingapore;businessinJapanbyTokyoasaheadquarters;GreaterChinaheadquartersinShanghai,responsibleforbusinessinHongKong,mainlandChinaandTaiwan.
December8,1994forthefirsttimesincethecompletionofthepublicofferingofshares,STMicroelectronicshasbeeninNewYorkStockExchange(tickersymbol:
STM)andPanOuBaliStockExchangelisted,inJune1998,inMilan,Italy,securitiesExchange.STMicroelectronicshasnearly900millionsharesinthepublicofferingofshares,ofwhichapproximately71.1%ofthesharesarepubliclytradedonthevariousstockexchanges.Another27.5%ofthestockbySTMicroelectronicsHoldingIIBVLimitedhelditsshareholdersFinmeccanicaandCDPItalianFinmeccanicaconsortiumArevaandFranceTelecom,theFrenchconsortium;remaining1.4%oftreasurysharesbySTMicroelectronicshold.
b.STultra-low-powerARM®Cortex™-M3microcontroller
STM32Lseriesofproductsarebasedontheultra-low-powerARMCortex-M3processorcore,STMicroelectronicstwouniqueenergy-savingtechnologies:
130nmdedicatedlow-leakagecurrentmanufacturingprocessandoptimizeenergy-savingarchitecturetodeliverindustry-leadingenergy-savingperformance.Thisseriesbelongstothelineup32STMicroelectronicsSTM32microcontrollerproductfamily,theproductfamily,atotalof180balanceofproduct,thefullrangeofproductssharemostofthepin,softwareandperipherals,excellentcompatibilitywithdeveloperstothemaximumdesignflexibility.
c.STultra-low-powerARM®Cortex™-M0microcontroller
STM32F0seriesofproductsarebasedontheultra-low-powerARMCortex-M0processorcoretechnologyandfeatures,enhancedintegration,aimedattheapplicationofultra-low-costbudget.Thefamilyofmicrocontrollerstoshortenthe8-bitand16-bitmicro-controllerdevicesandtheperformancegapbetweenthe32-bitmicrocontrollerdevice,theuserterminalproductsintheeconomytoachievestate-of-the-artcomplexfeatures.
d.Products
BeforeSTM32F105andSTM32F107interconnectfamilyofmicrocontrollers,STMicroelectronicshasintroducedtheSTM32AccessLineEnhancedSeries,theseriesoftheUSBbasicseriesandenhanced;newproductsfollowtheEnhancedSeries72MHzprocessingfrequency.Memory64KBto256KBFlashand20KBto64KBembeddedSRAM.TheLQFP64,LQFP100,andLFBGA100threepackageinthenewseries,adifferentpackagetomaintainthepinoutconsistency,combinedwiththeSTM32platformdesignphilosophy,anddevelopersbyselectingtheproductscanbere-optimizationfunction,memory,performanceandpincount,w
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