Texas Instruments TMS320C6745 DSP - 14.2.4 Counter-Compare (CC) Submodule; Counter-Compare Submodule; Counter-Compare Submodule Signals and Registers

TBCNT
Time
Base
(TB)
Module
16
CMPA
16
16
16
CMPA
CompareAActiveReg.
CTR=CMPA
CTR=CMPB
Action
Qualifier
Module
Digital
comparatorB
CMPB
TBCNT
CTR=PRD
CTR=0
CMPCTL[LOADAMODE]
Shadow
load
CTR=PRD
CTR=0
CMPCTL[LOADBMODE]
CMPCTL[SHDWBFULL]
CMPCTL[SHDWBMODE]
CMPCTL
[SHDWAFULL]
CMPCTL
[SHDWAMODE]
CMPA
CompareAShadowReg.
Digital
comparatorA
CMPB
CompareBActiveReg.
CMPB
CompareBShadowReg.
Shadow
load
(AQ)
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
EPWMxA
EPWMxB
TZ1
to TZn
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
Interrupt
controller
Interrupt
controller
www.ti.com Architecture
301
SPRUH91D–March 2013–Revised September 2016
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Enhanced High-Resolution Pulse-Width Modulator (eHRPWM)
14.2.4 Counter-Compare (CC) Submodule
Figure 14-12 illustrates the counter-compare submodule within the ePWM. Figure 14-13 shows the basic
structure of the counter-compare submodule.
Figure 14-12. Counter-Compare Submodule
Figure 14-13. Counter-Compare Submodule Signals and Registers