Filter
Top Products
www.ti.com
2.2.3.2Time-BaseCounterSynchronization
EPWM2SYNCI
ePWM2
EPWM2SYNCO
EPWM1SYNCO
ePWM1
EPWM1SYNCI
GPIO
MUX
EPWM3SYNCO
ePWM3
EPWM3SYNCI
ePWMx
EPWMxSYNCI
SYNCI
eCAP1
EPWMxSYNCO
Time-Base(TB)Submodule
Atime-basesynchronizationschemeconnectsalloftheePWMmodulesonadevice.EachePWM
modulehasasynchronizationinput(EPWMxSYNCI)andasynchronizationoutput(EPWMxSYNCO).The
inputsynchronizationforthefirstinstance(ePWM1)comesfromanexternalpin.Thepossible
synchronizationconnectionsfortheremainingePWMmodulesareshowninFigure2-4,Figure2-5,and
Figure2-6.
Scheme1showninFigure2-4appliestothe280xand2801xdevices.Scheme1alsoappliestothe
2804xdeviceswhentheePWMpinoutisconfiguredfor280xcompatiblemode(GPAMCFG[EPWMMODE]
=0).
Figure2-4.Time-BaseCounterSynchronizationScheme1
SPRU791D–November2004–RevisedOctober2007ePWMSubmodules27
SubmitDocumentationFeedback