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Action-Qualifier(AQ)Submodule
Actionsarespecifiedindependentlyforeitheroutput(EPWMxAorEPWMxB).Anyoralleventscanbe
configuredtogenerateactionsonagivenoutput.Forexample,bothCTR=CMPAandCTR=CMPBcan
operateonoutputEPWMxA.Allqualifieractionsareconfiguredviathecontrolregistersfoundattheend
ofthissection.
Forclarity,thedrawingsinthisdocumentuseasetofsymbolicactions.Thesesymbolsaresummarizedin
Figure2-19.Eachsymbolrepresentsanactionasamarkerintime.Someactionsarefixedintime(zero
andperiod)whiletheCMPAandCMPBactionsaremoveableandtheirtimepositionsareprogrammed
viathecounter-compareAandBregisters,respectively.Toturnoffordisableanaction,usethe"Do
Nothingoption";itisthedefaultatreset.
Figure2-19.PossibleAction-QualifierActionsforEPWMxAandEPWMxBOutputs
SPRU791D–November2004–RevisedOctober2007ePWMSubmodules39
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