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Enhanced PWM (ePWM) Module
15.2.4 Registers
Table 15-58. ePWM Module Control and Status Registers Grouped by Submodule
Size
Acronym Offset
(1)
(×16) Shadow Register Description
Time-Base Submodule Registers (Section 15.2.4.1)
TBCTL 0h 1 No Time-Base Control Register
TBSTS 2h 1 No Time-Base Status Register
TBPHSHR 4h 1 No Extension for HRPWM Phase Register
(2)
TBPHS 6h 1 No Time-Base Phase Register
TBCNT 8h 1 No Time-Base Counter Register
TBPRD Ah 1 Yes Time-Base Period Register
Counter-Compare Submodule Registers (Section 15.2.4.2)
CMPCTL Eh 1 No Counter-Compare Control Register
CMPAHR 10h 1 No Extension for HRPWM Counter-Compare A Register
(2)
CMPA 12h 1 Yes Counter-Compare A Register
CMPB 14h 1 Yes Counter-Compare B Register
Action-Qualifier Submodule Registers (Section 15.2.4.3)
AQCTLA 16h 1 No Action-Qualifier Control Register for Output A (EPWMxA)
AQCTLB 18h 1 No Action-Qualifier Control Register for Output B (EPWMxB)
AQSFRC 1Ah 1 No Action-Qualifier Software Force Register
AQCSFRC 1Ch 1 Yes Action-Qualifier Continuous S/W Force Register Set
Dead-Band Generator Submodule Registers (Section 15.2.4.4)
DBCTL 1Eh 1 No Dead-Band Generator Control Register
DBRED 20h 1 No Dead-Band Generator Rising Edge Delay Count Register
DBFED 22h 1 No Dead-Band Generator Falling Edge Delay Count Register
Trip-Zone Submodule Registers (Section 15.2.4.5)
TZSEL 24h 1 No Trip-Zone Select Register
TZCTL 28h 1 No Trip-Zone Control Register
TZEINT 2Ah 1 No Trip-Zone Enable Interrupt Register
TZFLG 2Ch 1 No Trip-Zone Flag Register
TZCLR 2Eh 1 No Trip-Zone Clear Register
TZFRC 30h 1 No Trip-Zone Force Register
Event-Trigger Submodule Registers (Section 15.2.4.6)
ETSEL 32h 1 No Event-Trigger Selection Register
ETPS 34h 1 No Event-Trigger Pre-Scale Register
ETFLG 36h 1 No Event-Trigger Flag Register
ETCLR 38h 1 No Event-Trigger Clear Register
ETFRC 3Ah 1 No Event-Trigger Force Register
PWM-Chopper Submodule Registers (Section 15.2.4.7)
PCCTL 3Ch 1 No PWM-Chopper Control Register
High-Resolution PWM (HRPWM) Submodule Registers (Section 15.2.4.8)
HRCTL 40h 1 No HRPWM Control Register
(2)
(1)
Locations not shown are reserved.
(2)
These registers are only available on ePWM instances that include the high-resolution PWM (HRPWM) extension; otherwise,
these locations are reserved. See Section 15.1.2 to determine which instances include the HRPWM.
1581
SPRUH73H–October 2011–Revised April 2013 Pulse-Width Modulation Subsystem (PWMSS)
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