27.7.2.3 Event Control in COUNT32 mode (CTRLA.MODE=0)
| Name: | EVCTRL | 
| Offset: | 0x04 | 
| Reset: | 0x00000000 | 
| Property: | PAC Write-Protection, Enable-Protected | 
| Bit | 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | |
| PERDEO | |||||||||
| Access | R/W | ||||||||
| Reset | 0 | 
| Bit | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | |
| TAMPEVEI | |||||||||
| Access | R/W | ||||||||
| Reset | 0 | 
| Bit | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | |
| OVFEO | TAMPEREO | CMPEO0 | |||||||
| Access | R/W | R/W | R/W | ||||||
| Reset | 0 | 0 | 0 | 
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| PEREO7 | PEREO6 | PEREO5 | PEREO4 | PEREO3 | PEREO2 | PEREO1 | PEREO0 | ||
| 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 24 – PERDEO Periodic Interval Daily Event Output Enable
| Value | Description | 
|---|---|
| 0 | Periodic Daily event is disabled and will not be generated. | 
| 1 | 
                         Periodic Daily event is enabled and will be generated. The event occurs at the overflow of the RTC counter (i.e., when the RTC counter goes from 0xFFFF to 0x0000).  | 
                
Bit 16 – TAMPEVEI Tamper Event Input Enable
| Value | Description | 
|---|---|
| 0 | Tamper event input is disabled and incoming events will be ignored. | 
| 1 | Tamper event input is enabled and incoming events will capture the COUNT value. | 
Bit 15 – OVFEO Overflow Event Output Enable
| Value | Description | 
|---|---|
| 0 | Overflow event is disabled and will not be generated. | 
| 1 | Overflow event is enabled and will be generated for every overflow. | 
Bit 14 – TAMPEREO Tamper Event Output Enable
| Value | Description | 
|---|---|
| 0 | Tamper event output is disabled and will not be generated. | 
| 1 | Tamper event output is enabled and will be generated for every tamper input. | 
Bit 8 – CMPEO0 Compare 0 Event Output Enable
| Value | Description | 
|---|---|
| 0 | Compare 0 event is disabled and will not be generated. | 
| 1 | Compare 0 event is enabled and will be generated for every compare match. | 
Bits 0, 1, 2, 3, 4, 5, 6, 7 – PEREOn Periodic Interval n Event Output Enable [n = 7..0]
| Value | Description | 
|---|---|
| 0 | Periodic Interval n event is disabled and will not be generated. | 
| 1 | Periodic Interval n event is enabled and will be generated. | 
