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Preface
SPRU791D–November2004–RevisedOctober2007
ReadThisFirst
ThisguidedescribestheEnhancedPulseWidthModulator(ePWM)Module.Itincludesanoverviewofthe
moduleandinformationabouteachofthesub-modules:
•Time-BaseModule
•CounterCompareModule
•ActionQualifierModule
•Dead-BandGeneratorModule
•PWMChopper(PC)Module
•TripZoneModule
•EventTriggerModule
RelatedDocumentationFromTexasInstruments
ThefollowingbooksdescribetheTMS320x280xandrelatedsupporttoolsthatareavailableontheTI
website:
DataManuals—
SPRS230—TMS320F2809,F2808,F2806,F2802,F2801,C2802,C2801,andF2801xDSPsData
Manualcontainsthepinout,signaldescriptions,aswellaselectricalandtimingspecificationsfor
theF280xdevices.
SPRS357—TMS320F28044DigitalSignalProcessorDataManualcontainsthepinout,signal
descriptions,aswellaselectricalandtimingspecificationsfortheF28044device.
CPUUser'sGuides—
SPRU430—TMS320C28xDSPCPUandInstructionSetReferenceGuidedescribesthecentral
processingunit(CPU)andtheassemblylanguageinstructionsoftheTMS320C28xfixed-point
digitalsignalprocessors(DSPs).ItalsodescribesemulationfeaturesavailableontheseDSPs.
SPRU712—TMS320x280x,2801x,2804xSystemControlandInterruptsReferenceGuidedescribesthe
variousinterruptsandsystemcontrolfeaturesofthe280xdigitalsignalprocessors(DSPs).
PeripheralGuides—
SPRU566—TMS320x28xx,28xxxPeripheralReferenceGuidedescribestheperipheralreferenceguides
ofthe28xdigitalsignalprocessors(DSPs).
SPRU716—TMS320x280x,2801x,2804xAnalog-to-DigitalConverter(ADC)ReferenceGuidedescribes
howtoconfigureandusetheon-chipADCmodule,whichisa12-bitpipelinedADC.
SPRU791—TMS320x28xx,28xxxEnhancedPulseWidthModulator(ePWM)ModuleReferenceGuide
describesthemainareasoftheenhancedpulsewidthmodulatorthatincludedigitalmotorcontrol,
switchmodepowersupplycontrol,UPS(uninterruptiblepowersupplies),andotherformsofpower
conversion
SPRU924—TMS320x28xx,28xxxHigh-ResolutionPulseWidthModulator(HRPWM)describesthe
operationofthehigh-resolutionextensiontothepulsewidthmodulator(HRPWM)
SPRU807—TMS320x28xx,28xxxEnhancedCapture(eCAP)ModuleReferenceGuidedescribesthe
enhancedcapturemodule.Itincludesthemoduledescriptionandregisters.
SPRU791D–November2004–RevisedOctober2007ReadThisFirst9
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