System Reset
The system reset can be issued by one of the following listed events. For these reset event flags
can be read by RSTSRC register.
Hardware Reset
Power-on Reset (POR)
Low level on the Reset Pin (nRST)
Watchdog Timer Time-out Reset (WDT)
Low Voltage Reset (LVR)
Brown-out Detector Reset (BOD)
Software Reset
MCU Reset - SYSRESETREQ(AIRCR[2])
Cortex-M0 Core One-shot Reset - CPU_RST(IPRSTC1[1])
Chip One-shot Reset - CHIP_RST(IPRSTC1[0])
Note: ISPCON.BS keeps the original value after MCU Reset and CPU Reset.