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ePWM Registers
2079
SPNU563A–March 2018
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Enhanced Pulse Width Modulator (ePWM) Module
35.4.3.2 Action-Qualifier Software Force Register (AQSFRC)
Figure 35-72. Action-Qualifier Software Force Register (AQSFRC) [offset = 18h]
15 8
Reserved
R-0
7 6 5 4 3 2 1 0
RLDCSF OTSFB ACTSFB OTSFA ACTSFA
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 35-32. Action-Qualifier Software Force Register (AQSFRC) Field Descriptions
Bit Field Value Description
15-8 Reserved 0 Reserved
7-6 RLDCSF AQCSFRC Active Register Reload From Shadow Options.
0 Load on event counter equals zero.
1h Load on event counter equals period.
2h Load on event counter equals zero or counter equals period.
3h Load immediately (the active register is directly accessed by the CPU and is not loaded from the
shadow register).
5 OTSFB One-Time Software Forced Event on Output B.
0 Writing a 0 has no effect. Always reads back a 0.
This bit is auto cleared once a write to this register is complete (that is, a forced event is initiated.)
This is a one-shot forced event. It can be overridden by another subsequent event on output B.
1 Initiates a single s/w forced event.
4-3 ACTSFB Action when One-Time Software Force B Is invoked.
0 Does nothing (action is disabled).
1h Clear (low)
2h Set (high)
3h Toggle (Low -> High, High -> Low)
Note: This action is not qualified by counter direction (CNT_dir).
2 OTSFA One-Time Software Forced Event on Output A.
0 Writing a 0 has no effect. Always reads back a 0.
This bit is auto cleared once a write to this register is complete (that is, a forced event is initiated).
1 Initiates a single software forced event.
1-0 ACTSFA Action When One-Time Software Force A Is Invoked.
0 Does nothing (action is disabled).
1h Clear (low)
2h Set (high)
3h Toggle (Low → High, High → Low)
Note: This action is not qualified by counter direction (CNT_dir).
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