Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK Data Sheet
Product codes
AT91SAM9G25-EK
151
SAM9G25 [DATASHEET]
11032C–ATARM–25-Jan-13
17.
Watchdog Timer (WDT)
17.1
Description
The Watchdog Timer can be used to prevent system lock-up if the software becomes trapped in a deadlock. It features a
12-bit down counter that allows a watchdog period of up to 16 seconds (slow clock at 32.768 kHz). It can generate a
general reset or a processor reset only. In addition, it can be stopped while the processor is in debug mode or idle mode.
12-bit down counter that allows a watchdog period of up to 16 seconds (slow clock at 32.768 kHz). It can generate a
general reset or a processor reset only. In addition, it can be stopped while the processor is in debug mode or idle mode.
17.2
Embedded Characteristics
z
12-bit Key-protected Programmable Counter
z
Provides Reset or Interrupt Signals to the System
z
Counter May Be Stopped While the Processor is in Debug State or in Idle Mode