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WATCHDOG TIMER S3C2410A
18-4
WATCHDOG TIMER DATA (WTDAT) REGISTER
The WTDAT register is used to specify the time-out duration. The content of WTDAT cannot be automatically loaded
into the timer counter at initial watchdog timer operation. However, using 0x8000 (initial value) will drive the first time-
out. In this case, the value of WTDAT will be automatically reloaded into WTCNT.
Register Address R/W Description Reset Value
WTDAT 0x53000004 R/W Watchdog timer data register 0x8000
WTDAT Bit Description Initial State
Count Reload Value [15:0] Watchdog timer count value for reload. 0x8000
WATCHDOG TIMER COUNT (WTCNT) REGISTER
The WTCNT register contains the current count values for the watchdog timer during normal operation. Note that the
content of the WTDAT register cannot be automatically loaded into the timer count register when the watchdog timer
is enabled initially, so the WTCNT register must be set to an initial value before enabling it.
Register Address R/W Description Reset Value
WTCNT 0x53000008 R/W Watchdog timer count register 0x8000
WTCNT Bit Description Initial State
Count Value [15:0] The current count value of the watchdog timer 0x8000