Software recommendations

AN2860

14/17

Doc ID 15267 Rev 5

5.2

Reset sources

Reset sources can be checked in the Reset status register RST_SR. They can be identified

through the Reset status register.

The following reset sources are available for all STM8 devices:

●

SWIM reset,

●

Illegal opcode reset,

●

Independent watchdog reset.

A few additional reset sources are available only on some devices:

●

EMC reset,

●

Window watchdog reset,

●

POR reset,

●

BOR threshold reset.

For more details on these reset sources and their differences between devices, please refer

to the dedicated STM8 family reference manuals and device datasheets.