PWM_ETRGx

PWM External Trigger Register

  0x042C + (x-1)*0x20 [x=1..2] 32 Read/Write 0x00000000   2 32 1,2 -1

PWM External Trigger Register

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  

Bits 23:0 – MAXCNT[23:0]: Maximum Counter value

Maximum Counter value

Maximum channel x counter value measured at the TRGINx event since the last read of the register.

At the TRGINx event, if the channel x counter value is greater than the stored MAXCNT value, then MAXCNT is updated by the channel x counter value.

Bits 25:24 – TRGMODE[1:0]: External Trigger Mode

External Trigger Mode

ValueNameDescription
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

Bit 28 – TRGEDGE: Edge Selection

Edge Selection

ValueNameDescription
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

Bit 29 – TRGFILT: Filtered input

Filtered input

ValueDescription
0

The external trigger input x is not filtered.

1

The external trigger input x is filtered.

Bit 31 – RFEN: Recoverable Fault Enable

Recoverable Fault Enable

ValueDescription
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: Trigger Source

Trigger Source

ValueDescription
0

The TRGINx signal is driven by the PWMEXTRGx input.

1

The TRGINx signal is driven by the Analog Comparator Controller.