Silicon Laboratories EFR32xG14 Wireless Gecko Reference Manual page 463

Bit Name
24 PRSGATEEN
When set, the clock input to the pulse counter will be gated when the selected PRS input is the inverse of TCCPRSPOL.
23:22 TCCCOMP
Selects the mode for comparison upon a compare and clear event.
Value
0
1
2
21 Reserved
20:19 TCCPRESC
Selects the prescaler value for LFA compare and clear events
Value
0
1
2
3
18 Reserved
17:16 TCCMODE
Selects whether compare and clear should be triggered on each LFA clock, or from PRS
Value
0
1
2
15 EDGE
Determines the polarity of the incoming edges. This bit should be written when PCNT is in DISABLE mode, otherwise the
behavior is unpredictable. This bit used only in OVSSINGLE, EXTCLKSINGLE and OVSQUAD1X-4X modes.
Value
0
1
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Reset Access Description
0 RW PRS Gate Enable
0x0 RW Triggered Compare and Clear Compare Mode
Mode Description
LTOE Compare match if PCNT_CNT is less than, or equal to PCNT_TOP.
GTOE Compare match if PCNT_CNT is greater than or equal to PCNT_TOP.
RANGE Compare match if PCNT_CNT is less than, or equal to
PCNT_TOP[15:8]], and greater than, or equal to PCNT_TOP[7:0].
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x0 RW Set the LFA Prescaler for Triggered Compare and Clear
Mode Description
DIV1 Compare and clear event each LFA cycle.
DIV2 Compare and clear performed on every other LFA cycle.
DIV4 Compare and clear performed on every 4th LFA cycle.
DIV8 Compare and clear performed on every 8th LFA cycle.
To ensure compatibility with future devices, always write bits to 0. More information in
tions
0x0 RW Sets the Mode for Triggered Compare and Clear
Mode Description
DISABLED Triggered compare and clear not enabled.
LFA Compare and clear performed on each (optionally prescaled) LFA clock
cycle.
PRS Compare and clear performed on positive PRS edges.
0 RW Edge Select
Mode Description
POS Positive edges on the PCNTn_S0IN inputs are counted in OVSSINGLE
mode. Does not invert PCNTn_S1IN input in OVSSINGLE and EX-
TCLKSINGLE modes
NEG Negative edges on the PCNTn_S0IN inputs are counted in OVSSIN-
GLE mode. Inverts the PCNTn_S1IN input in OVSSINGLE and EX-
TCLKSINGLE modes
Reference Manual
PCNT - Pulse Counter
1.2 Conven-
1.2 Conven-
Rev. 1.1 | 463