20.5.9 Event Control
| Name: | EVCTRL |
| Offset: | 0x09 |
| Reset: | 0x00 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| EVACT[2:0] | CNTEI | ||||||||
| Access | R/W | R/W | R/W | R/W | |||||
| Reset | 0 | 0 | 0 | 0 | |||||
Bits 3:1 – EVACT[2:0] Event Action
This bit field defines what action the counter will take upon certain event conditions.
| Value | Name | Description |
|---|---|---|
| 0x0 | EVACT_POSEDGE | Count on positive event edge |
| 0x1 | EVACT_ANYEDGE | Count on any event edge |
| 0x2 | EVACT_HIGHLVL | Count prescaled clock cycles while the event signal is high |
| 0x3 | EVACT_UPDOWN | Count prescaled clock cycles. The event signal controls the count direction, up when low and down when high. The direction is latched when the counter counts. |
| Other | Reserved |
Bit 0 – CNTEI Enable Count on Event Input
| Value | Description |
|---|---|
| 0 | Count on Event input is disabled |
| 1 | Count on Event input is enabled according to EVACT bit field |