Time-Base Up-Down Count Waveforms, Tbctl[Phsdir = 1] Count Up On Synchronization Event; Counter-Compare Submodule - Texas Instruments Concerto F28M36 Series Technical Reference Manual

ePWM Submodules
Figure 7-11. Time-Base Up-Down Count Waveforms, TBCTL[PHSDIR = 1] Count Up On Synchronization
TBCTR[15:0]
0xFFFF
TBPRD (value)
TBPHS (value)
0x0000
EPWMxSYNCI
CTR_dir
CTR = zero
CTR = PRD
CNT_max
7.2.3 Counter-Compare (CC) Submodule
Figure 7-12 illustrates the counter-compare submodule within the ePWM.
EPWMxSYNCI
EPWMxSYNCO
Time-Base
(TB)
Digital Compare
Signals
Counter
Compare
(CC)
Figure 7-13 shows the basic structure of the counter-compare submodule.
690
C28 Enhanced Pulse Width Modulator (ePWM) Module
UP
DOWN
Figure 7-12. Counter-Compare Submodule
Action
Counter Compare
Qualifier
(AQ)
CTR = PRD
Digital Compare
CTR = 0
CTR_Dir
ePWMxA
ePWMxB
Dead
Band
CTR = CMPA
(DB)
CTR = CMPB
CTR = CMPC
CTR = CMPD
PIE
Copyright © 2012–2019, Texas Instruments Incorporated
Event
UP
UP
DOWN
Time Base
EPWMxINT
Signals Event
Trigger
EPWMxSOCA
and
Signals
Interrupt
(ET)
Signals
EPWMxSOCB
ePWMxA
ePWMxB
PWM-
chopper
(PC)
Trip
TZ1 to TZ3
Zone
(TZ)
EMUSTOP
CTR = PRD
CLOCKFAIL
CTR = 0
EQEPxERR
EPWMxTZINT
Digital
Compare
Digital Compare
(DC)
Signals
SPRUHE8E – October 2012 – Revised November 2019
www.ti.com
DOWN
PIE
ADC
GPIO GPIO
MUX MUX
GPTRIP
CPU
SYSCTRL
EQEPx
TZ1 to TZ3
ECCDBLERR
28x RAM/
Flash ECC
PIEERR
COMPxOUT
GPTRIP
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