Specifications

www.ti.com
List of Tables
1-1 ePWM Module Control and Status Register Set Grouped by Submodule .......................................... 18
2-1 Submodule Configuration Parameters................................................................................... 20
2-2 Time-Base Submodule Registers ........................................................................................ 24
2-3 Key Time-Base Signals .................................................................................................... 25
2-4 Counter-Compare Submodule Registers ............................................................................... 34
2-5 Counter-Compare Submodule Key Signals ............................................................................. 34
2-6 Action-Qualifier Submodule Registers ................................................................................... 38
2-7 Action-Qualifier Submodule Possible Input Events .................................................................... 39
2-8 Action-Qualifier Event Priority for Up-Down-Count Mode ............................................................. 41
2-9 Action-Qualifier Event Priority for Up-Count Mode ..................................................................... 41
2-10 Action-Qualifier Event Priority for Down-Count Mode ................................................................. 41
2-11 Behavior if CMPA/CMPB is Greater than the Period .................................................................. 41
2-12 Dead-Band Generator Submodule Registers........................................................................... 51
2-13 Classical Dead-Band Operating Modes ................................................................................ 53
2-14 Dead-Band Delay Values in µ S as a Function of DBFED and DBRED ............................................ 55
2-15 PWM-Chopper Submodule Registers ................................................................................... 56
2-16 Possible Pulse Width Values for SYSCLKOUT = 100 MHz .......................................................... 58
2-17 Trip-Zone Submodule Registers ......................................................................................... 61
2-18 Possible Actions On a Trip Event ........................................................................................ 62
2-19 Event-Trigger Submodule Registers .................................................................................... 68
4-1 Time-Base Period Register (TBPRD) Field Descriptions ............................................................. 96
4-2 Time-Base Phase Register (TBPHS) Field Descriptions.............................................................. 96
4-3 Time-Base Counter Register (TBCTR) Field Descriptions ............................................................ 96
4-4 Time-Base Control Register (TBCTL) Field Descriptions ............................................................. 97
4-5 Time-Base Status Register (TBSTS) Field Descriptions .............................................................. 99
4-6 Counter-Compare A Register (CMPA) Field Descriptions........................................................... 100
4-7 Counter-Compare B Register (CMPB) Field Descriptions........................................................... 100
4-8 Counter-Compare Control Register (CMPCTL) Field Descriptions ................................................ 101
4-9 Compare A High Resolution Register (CMPAHR) Field Descriptions ............................................. 102
4-10 Action-Qualifier Output A Control Register (AQCTLA) Field Descriptions ....................................... 102
4-11 Action-Qualifier Output B Control Register (AQCTLB) Field Descriptions ....................................... 103
4-12 Action-Qualifier Software Force Register (AQSFRC) Field Descriptions .......................................... 105
4-13 Action-qualifier Continuous Software Force Register (AQCSFRC) Field Descriptions .......................... 105
4-14 Dead-Band Generator Control Register (DBCTL) Field Descriptions .............................................. 107
4-15 Dead-Band Generator Rising Edge Delay Register (DBRED) Field Descriptions ............................... 108
4-16 Dead-Band Generator Falling Edge Delay Register (DBFED) Field Descriptions ............................... 108
4-17 PWM-Chopper Control Register (PCCTL) Bit Descriptions ........................................................ 109
4-18 Trip-Zone Submodule Select Register (TZSEL) Field Descriptions ............................................... 110
4-19 Trip-Zone Control Register (TZCTL) Field Descriptions ............................................................. 111
4-20 Trip-Zone Enable Interrupt Register (TZEINT) Field Descriptions ................................................. 112
4-21 Trip-Zone Flag Register (TZFLG) Field Descriptions ................................................................ 112
4-22 Trip-Zone Clear Register (TZCLR) Field Descriptions .............................................................. 113
4-23 Trip-Zone Force Register (TZFRC) Field Descriptions .............................................................. 114
4-24 Event-Trigger Selection Register (ETSEL) Field Descriptions ..................................................... 115
4-25 Event-Trigger Prescale Register (ETPS) Field Descriptions ....................................................... 116
4-26 Event-Trigger Flag Register (ETFLG) Field Descriptions ........................................................... 118
4-27 Event-Trigger Clear Register (ETCLR) Field Descriptions .......................................................... 118
4-28 Event-Trigger Force Register (ETFRC) Field Descriptions ......................................................... 120
A-1 Changes for Revision .................................................................................................... 121
SPRU791F – November 2004 – Revised July 2009 List of Tables 7
Submit Documentation Feedback