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 (
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 (
)
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 (
)
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 (
)
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 (
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 (
)
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 (
PCCTL
3Ch
1
No
PWM-Chopper Control Register
High-Resolution PWM (HRPWM) Submodule Registers (
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
to determine which instances include the HRPWM.
1581
SPRUH73H – October 2011 – Revised April 2013
Pulse-Width Modulation Subsystem (PWMSS)
Copyright © 2011–2013, Texas Instruments Incorporated