Datasheet

51.7.49 PWM External Trigger Register
Name: PWM_ETRGx
Offset: 0x042C + (x-1)*0x20 [x=1..2]
Reset: 0x00000000
Property: Read/Write
Bit 31 30 29 28 27 26 25 24
RFEN TRGSRC TRGFILT TRGEDGE TRGMODE[1:0]
Access
R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0
Bit 23 22 21 20 19 18 17 16
MAXCNT[23:16]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 15 14 13 12 11 10 9 8
MAXCNT[15:8]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 7 6 5 4 3 2 1 0
MAXCNT[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 31 – RFEN Recoverable Fault Enable
Value Description
0
The TRGINx signal does not generate a recoverable fault.
1
The TRGINx signal generate a recoverable fault in place of the fault x input.
Bit 30 – TRGSRC T
rigger Source
Value Description
0
The TRGINx signal is driven by the PWMEXTRGx input.
1
The TRGINx signal is driven by the Analog Comparator Controller.
Bit 29 – TRGFILT Filtered input
Value Description
0
The external trigger input x is not filtered.
1
The external trigger input x is filtered.
Bit 28 – TRGEDGE Edge Selection
Value Name Description
0
FALLING_ZERO TRGMODE = 1: TRGINx event detection on falling edge.
TRGMODE = 2, 3: TRGINx active level is 0
1
RISING_ONE TRGMODE = 1: TRGINx event detection on rising edge.
TRGMODE = 2, 3: TRGINx active level is 1
Bits 25:24 – TRGMODE[1:0] External T
rigger Mode
Value Name Description
0
OFF External trigger is not enabled.
1
MODE1 External PWM Reset Mode
2
MODE2 External PWM Start Mode
3
MODE3 Cycle-by-cycle Duty Mode
SAM E70/S70/V70/V71 Family
Pulse W
idth Modulation Controller (PWM)
© 2019 Microchip T
echnology Inc.
Datasheet
DS60001527D-page 1650