Chapter 11 Watchdog Timer; Overview; Features - Samsung S3C2416 User Manual

16/32-bit risc
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S3C2416X RISC MICROPROCESSOR
11

1 OVERVIEW

The S3C2416 watchdog timer is used to resume the controller operation whenever it is disturbed by malfunctions
such as noise and system errors. The watchdog timer generates the reset signal. It can be used as a normal 16-
bit interval timer to request interrupt service.
Advantage in using WDT instead of PWM timer is that WDT generates the reset signal.

1.1 FEATURES

The Watchdog Timer includes the following features:
Normal interval timer mode with interrupt request
Internal reset signal is activated for 128 PCLK cycles when the timer count value reaches 0 (time-out).
WATCHDOG TIMER
WATCHDOG TIMER
11-1

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