# Watchdog Timer

Address | Register Name | Register Write | Register Read | Default | Description
--- | --- | --- | --- | --- | ---
0x40000300 | WATCHDOG_CFG | (3:0) TIMEOUT_VALUE | (3:0) TIMEOUT_VALUE | 0xB | Watchdog timeout period. Values 0xC to 0xF result in the same timeout period as the value 0xB.
0x40000304 | WATCHDOG_CTRL | (31:0) WATCHDOG_REFRESH | - | N/A | Write a key to reset the watchdog
0x400003FC | WATCHDOG_ID_NUM | - | (15:8) WATCHDOG_MAJOR_REVISION | 0x1 | WATCHDOG Major Revision number
|  | - | (7:0) WATCHDOG_MINOR_REVISION | 0x0 | WATCHDOG Minor Revision number