Reset Cause
| Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
| SYST | WDT | EXT | BOD33 | BOD12 | POR | ||||
| Access | R | R | R | R | R | R | |||
| Reset | x | x | x | x | x | x |
System Reset Request
This bit is set if a System Reset Request has occurred. Refer to the Cortex processor documentation for more details.
Watchdog Reset
This bit is set if a Watchdog Timer Reset has occurred.
External Reset
This bit is set if an external Reset has occurred.
Brown Out 33 Detector Reset
This bit is set if a BOD33 Reset has occurred.
Brown Out 12 Detector Reset
This bit is set if a BOD12 Reset has occurred.
Power On Reset
This bit is set if a POR has occurred.