数字信号处理控制器- 毕业论文外文翻译

《数字信号处理控制器- 毕业论文外文翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

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

2、cedTMS320architecturaldesignofthe’C2xxcoreCPUforlow-cost,low-power,high-performanceprocessingcapabilities.Severaladvancedperipherals,optimizedfordigitalmotorandmotioncontrolapplications,havebeenintegratedtoprovideatruesinglechipDSPcontroller.Whilecode-compatiblewi

3、ththeexisting’24xDSPcontrollerdevices,the’240xoffersincreasedprocessingperformance(30MIPS)andahigherlevelofperipheralintegration.SeetheTMS320x240xdevicesummarysectionfordevice-specificfeatures.The’240xfamilyoffersanarrayofmemorysizesanddifferentperipheralstailored

4、tomeetthespecificprice/performancepointsrequiredbyvariousapplications.Flash-baseddevicesofupto32Kwordsofferareprogrammablesolutionusefulfor:uApplicationsrequiringfieldprogrammabilityupgrades.uDevelopmentandinitialprototypingofapplicationsthatmigratetoROM-baseddevi

5、ces.FlashdevicesandcorrespondingROMdevicesarefullypin-to-pincompatible.Notethatflash-baseddevicescontaina256-wordbootROMtofacilitatein-circuitprogramming.19All’240xdevicesofferatleastoneeventmanagermodulewhichhasbeenoptimizedfordigitalmotorcontrolandpowerconversio

6、napplications.Capabilitiesofthismoduleincludecentered-and/oredge-alignedPWMgeneration,programmabledeadbandtopreventshoot-throughfaults,andsynchronizedanalog-to-digitalconversion.Deviceswithdualeventmanagersenablemultiplemotorand/orconvertercontrolwithasingle‘240xD

7、SPcontroller.Thehighperformance,10-bitanalog-to-digitalconverter(ADC)hasaminimumconversiontimeof500nsandoffersupto16channelsofanaloginput.TheautosequencingcapabilityoftheADCallowsamaximumof16conversionstotakeplaceinasingleconversionsessionwithoutanyCPUoverhead.Ase

8、rialcommunicationsinterface(SCI)isintegratedonalldevicestoprovideasynchronouscommunicationtootherdevicesinthesystem.Forsystemsrequiringadditionalcommuni