Datasheet

Digital Compare
Signals
Counter Compare
Signals
T ime Base
Signals
Dead
Band
(DB)
Counter
Compare
(CC)
Action
Qualifier
(AQ)
EPWMxA
EPWMxB
CTR = CMPB
CTR = 0
EPWMxINT
EPWMxSOCA
EPWMxSOCB
EPWMxA
EPWMxB
nTZ1 to nTZ3
CTR = CMPA
T ime-Base
(TB)
CTR = PRD
CTR = 0
CTR_Dir
EPWMxSYNCI
EPWMxSYNCO
EPWMxTZINT
PWM-
chopper
(PC)
Event
Trigger
and
Interrupt
(ET)
Trip
Zone
(TZ)
GPIO
MUX
ADC
VIM
Digital
Compare
(DC)
CPU Debug Mode
OSCFAIL or PLL SLip
Combination of EQEP1ERR
and EQEP2ERR
Digital Compare
Signals
Digital Compare
Signals
VIM
0x0000
0xFFFF
TBCTR[15:0]
UP
DOWN
UP
DOWN
UP
DOWN
TBPHS(value)
TBPRD(value)
EPWMxSYNCI
CTR_dir
CTR=zero
CNT_max
CTR=PRD
www.ti.com ePWM Submodules
Figure 34-10. Time-Base Up-Down Count Waveforms, TBCTL[PHSDIR = 1] Count Up On
Synchronization Event
34.2.3 Counter-Compare (CC) Submodule
Figure 34-11 illustrates the counter-compare submodule within the ePWM.
Figure 34-12 shows the basic structure of the counter-compare submodule.
Figure 34-11. Counter-Compare Submodule
1727
SPNU562–May 2014 Enhanced Pulse Width Modulator (ePWM) Module
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