Texas Instruments TMS320 2833 Series

CTR = CMPB
CTR = CMPA
CTR_Dir
CTR = 0
CTR = PRD
Dead
Band
(DB)
Counter
Compare
(CC)
Action
Qualifier
(AQ)
EPWMxA
EPWMxB
CTR = CMPB
CTR = 0
EPWMxINT
EPWMxSOCA
EPWMxSOCB
EPWMxA
EPWMxB
TZ1 to TZ6
CTR = CMPA
Time-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
PIE
PIE
0x0000
0xFFFF
TBCTR[15:0]
UP
DOWN
UP
DOWN
UP
DOWN
TBPHS(value)
TBPRD(value)
EPWMxSYNCI
CTR_dir
CTR=zero
CNT_max
CTR=PRD
ePWM Submodules www.ti.com
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SPRUI07–March 2020
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Enhanced Pulse Width Modulator (ePWM) Module
Figure 3-11. Time-Base Up-Down Count Waveforms, TBCTL[PHSDIR = 1] Count Up On Synchronization
Event
3.2.3 Counter-Compare (CC) Submodule
Figure 3-12 illustrates the counter-compare submodule within the ePWM.
Figure 3-12. Counter-Compare Submodule
Figure 3-13 shows the basic structure of the counter-compare submodule.