Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Ficha De Dados
Códigos do produto
ATSAM4S-EK2
247
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
14.4.5 Reset State Priorities
The Reset State Manager manages the following priorities between the different reset sources, given in descending
order:
order:
General Reset
Backup Reset
Watchdog Reset
Software Reset
User Reset
Particular cases are listed below:
When in User Reset:
A watchdog event is impossible because the Watchdog Timer is being reset by the proc_nreset signal.
A software reset is impossible, since the processor reset is being activated.
When in Software Reset:
A watchdog event has priority over the current state.
The NRST has no effect.
When in Watchdog Reset:
The processor reset is active and so a Software Reset cannot be programmed.
A User Reset cannot be entered.