毕业论文外文翻译-数字信号处理控制器

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1、文献翻译TMS320LF2407,TMS320LF2406,TMS320LF2402TMS320LC2406,TMS320LC2404,MS320LC2402DSPCONTROLLERSTheTMS320LF240xandTMS320LC240xdevices,newmembersofthe’24xfamilyofdigitalsignalprocessor(DSP)controllers,arepartoftheC2000platformoffixed-pointDSPs.The’240xdevicesoffe

2、rtheenhancedTMS320architecturaldesignofthe’C2xxcoreCPUforlow-cost,low-power,high-performanceprocessingcapabilities.Severaladvancedperipherals,optimizedfordigitalmotorandmotioncontrolapplications,havebeenintegratedtoprovideatruesinglechipDSPcontroller.Whilecod

3、e-compatiblewiththeexisting’24xDSPcontrollerdevices,the’240xoffersincreasedprocessingperformance(30MIPS)andahigherlevelofperipheralintegration.SeetheTMS320x240xdevicesummarysectionfordevice-specificfeatures.The’240xfamilyoffersanarrayofmemorysizesanddifferent

4、peripheralstailoredtomeetthespecificprice/performancepointsrequiredbyvariousapplications.Flash-baseddevicesofupto32Kwordsofferareprogrammablesolutionusefulfor:Applicationsrequiringfieldprogrammabilityupgrades.Developmentandinitialprototypingofapplicationsthat

5、migratetoROM-baseddevices.FlashdevicesandcorrespondingROMdevicesarefullypin-to-pincompatible.Notethatflash-baseddevicescontaina256-wordbootROMtofacilitatein-circuitprogramming.All’240xdevicesofferatleastoneeventmanagermodulewhichhasbeenoptimizedfordigitalmoto

6、rcontrolandpowerconversionapplications.Capabilitiesofthismoduleincludecentered-and/oredge-alignedPWMgeneration,programmabledeadbandtopreventshoot-throughfaults,andsynchronizedanalog-to-digitalconversion.Deviceswithdualeventmanagersenablemultiplemotorand/orcon

7、vertercontrolwithasingle‘240xDSPcontroller.Thehighperformance,10-bitanalog-to-digitalconverter(ADC)hasaminimumconversiontimeof500nsandoffersupto16channelsofanaloginput.TheautosequencingcapabilityoftheADCallowsamaximumof16conversionstotakeplaceinasingleconvers

8、ionsessionwithoutanyCPUoverhead.Aserialcommunicationsinterface(SCI)isintegratedonalldevicestoprovideasynchronouscommunicationtootherdevicesinthesystem.Forsystemsrequiringadditionalcommuni