SAM3N0C Atmel Corporation, SAM3N0C Datasheet - Page 247

• Manufacturer Part Number: SAM3N0C
• Manufacturer: Atmel Corporation

15. Watchdog Timer (WDT)
15.1
15.2
15.3
Figure 15-1. Watchdog Timer Block Diagram
11011A–ATARM–04-Oct-10
Description
Embedded Characteristics
Block Diagram
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.
• 16-bit key-protected only-once-Programmable Counter
• Windowed, prevents the processor to be in a dead-lock on the watchdog access.
SAM3N
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