光伏发电逆变器毕业论文中英文资料外文翻译文献.docx

光伏发电逆变器毕业论文中英文资料外文翻译文献.docx

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毕业论文

光伏发电逆变器毕业论文中英文资料外文翻译文献

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TMS320LF2407,TMS320LF2406,TMS320LF2402TMS320LC2406,TMS320LC2404,MS320LC2402DSPCONTROLLERS

TheTMS320LF240xandTMS320LC240xdevices,newmembersofthe‘24xfamilyofdigitalsignalprocessor（DSP）controllers,arepartoftheC2000platformoffixed-pointDSPs.

The‘240xdevicesoffertheenhancedTMS320architecturaldesignofthe‘C2xxcoreCPUforlow-cost,low-power,high-performanceprocessingcapabilities.Severaladvancedperipherals,optimizedfordigitalmotorandmotioncontrolapplications,havebeenintegratedtoprovideatruesinglechipDSPcontroller.Whilecode-compatiblewiththeexisting‘24xDSPcontrollerdevices,the‘240xoffersincreasedprocessingperformance（30MIPS）andahigherlevelofperipheralintegration.SeetheTMS320x240xdevicesummarysectionfordevice-specificfeatures.

The‘240xfamilyoffersanarrayofmemorysizesanddifferentperipheralstailoredtomeet

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thespecificprice/performancepointsrequiredbyvariousapplications.Flash-baseddevicesofupto32Kwordsofferareprogrammablesolutionusefulfor:

uApplicationsrequiringfieldprogrammabilityupgrades.

uDevelopmentandinitialprototypingofapplicationsthatmigratetoROM-baseddevices.

FlashdevicesandcorrespondingROMdevicesarefullypin-to-pincompatible.Notethatflash-baseddevicescontaina256-wordbootROMtofacilitatein-circuitprogramming.

All‘240xdevicesofferatleastoneeventmanagermodulewhichhasbeenoptimizedfordigitalmotorcontrolandpowerconversionapplications.Capabilitiesofthismoduleincludecentered- and/oredge-aligned PWM generation, programmable deadband to preventshoot-throughfaults,andsynchronizedanalog-to-digitalconversion.Deviceswithdualeventmanagersenablemultiplemotorand/orconvertercontrolwithasingle ‗240xDSPcontroller.

Thehighperformance,10-bitanalog-to-digitalconverter（ADC）hasaminimumconversiontimeof500nsandoffersupto16channelsofanaloginput.TheautosequencingcapabilityoftheADCallowsamaximumof16conversionstotakeplaceinasingleconversionsessionwithoutanyCPUoverhead.

Aserialcommunicationsinterface（SCI）isintegratedonalldevicestoprovideasynchronouscommunicationtootherdevicesinthesystem.Forsystemsrequiringadditionalcommunicationinterfaces;the‘2407,‘2406,and‘2404offera16-bitsynchronousserialperipheralinterface（SPI）.The‘2407and‘2406offeracontrollerareanetwork（CAN）communicationsmodulethatmeets2.0Bspecifications.Tomaximizedeviceflexibility,functionalpinsarealsoconfigurableasgeneralpurposeinputs/outputs（GPIO）.

Tostreamlinedevelopmenttime,JTAG-compliantscan-basedemulationhasbeenintegratedintoalldevices.Thisprovidesnon-intrusivereal-timecapabilitiesrequiredtodebugdigitalcontrolsystems.AcompletesuiteofcodegenerationtoolsfromCcompilerstotheindustry-standardCodeComposerdebuggersupportsthisfamily.Numerousthirdpartydevelopersnotonlyofferdevice-leveldevelopmenttools,butalsosystem-leveldesignanddevelopmentsupport.

PERIPHERALS

TheintegratedperipheralsoftheTMS320x240xaredescribedinthefollowingsubsections:

lTwoevent-managermodules（EVA,EVB）

lEnhancedanalog-to-digitalconverter（ADC）module

lControllerareanetwork（CAN）module

lSerialcommunicationsinterface（SCI）module

lSerialperipheralinterface（SPI）module

lPLL-basedclockmodule

lDigitalI/Oandsharedpinfunctions

lExternalmemoryinterfaces（‘LF2407only）

lWatchdog（WD）timermodule

Eventmanagermodules（EVA,EVB）

Theevent-managermodulesincludegeneral-purpose（GP）timers,full-compare/PWMunits,captureunits,andquadrature-encoderpulse（QEP）circuits.EVA‘sandEVB‘stimers,compareunits,andcaptureunitsfunctionidentically.However,timer/unitnamesdifferforEVAandEVB.Table1showsthemoduleandsignalnamesused.Table1showsthefeaturesandfunctionalityavailablefortheevent-managermodulesandhighlightsEVAnomenclature.

EventmanagersAandBhaveidenticalperipheralregistersetswithEVAstartingat7400handEVBstartingat7500h.TheparagraphsinthissectiondescribethefunctionofGPtimers,compareunits,captureunits,andQEPsusingEVAnomenclature.TheseparagraphsareapplicabletoEVBwithregardtofunction—however,module/signalnameswoulddiffer.

EVENTMANAGER

MODULES

EVA

EVB

SIGNAL

SIGNAL

GPTimers

CompareUnits

Table1.ModuleandSignalNamesforEVAandEVB

MODULE

MODULE

Timer1

T1PWM/T1CMP

Timer3

T3PWM/T3CMP

Timer2

T2PWM/T2CMP

Timer4

T4PWM/T4CMP

Compare1

PWM1/2

Compare4

PWM7/8

Compare2

PWM3/4

Compare5

PWM9/10

Compare3

PWM5/6

Compare6

PWM11/12

CaptureUnits

QEP

ExternalInputs

DirectionExternal

Clock

TDIRA

TCLKINA

Direction

ExternalClock

TDIRB

TCLKINB