23.5.10 Event Control
| Name: | EVCTRL |
| Offset: | 0x09 |
| Reset: | 0x00 |
| Property: | - |
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| EVACTB[2:0] | CNTBEI | EVACTA[2:0] | CNTAEI | ||||||
| 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 7:5 – EVACTB[2:0] Event Action B
| Value | Name | Description |
|---|---|---|
| 0x0 | NONE | No action |
| 0x1 | - | Reserved |
| 0x2 | - | Reserved |
| 0x3 | UPDOWN | Count
on the prescaled clock or according to the setting for event input A. The
event controls the count direction:
|
| 0x4 | RESTART_POSEDGE | Restart counter on positive event edge |
| 0x5 | RESTART_ANYEDGE | Restart counter on any event edge |
| 0x6 | RESTART_HIGHLVL | Restart counter while the event signal is high |
| 0x7 | - | Reserved |
Bit 4 – CNTBEI Enable Counter Event Input B
| Value | Description |
|---|---|
| 0 | Counter Event input B is disabled |
| 1 | Counter Event input B is enabled according to EVACTB bit field |
Bits 3:1 – EVACTA[2:0] Event Action A
These bits define what action the counter will take upon certain event conditions.
| Value | Name | Description |
|---|---|---|
| 0x0 | CNT_POSEDGE | Count on positive event edge |
| 0x1 | CNT_ANYEDGE | Count on any event edge |
| 0x2 | CNT_HIGHLVL | Count prescaled clock cycles while the event signal is high |
| 0x3 | UPDOWN | Count
on the prescaled clock. The event controls the count direction:
|
| 0x4 - 0x7 | - | Reserved |
Bit 0 – CNTAEI Enable Counter Event Input A
| Value | Description |
|---|---|
| 0 | Counter Event input A is disabled |
| 1 | Counter Event input A is enabled according to EVACTA bit field |