Specifications

Watchdog Timer
19-4 Copyright © 2004, 2006 ARM Limited. All rights reserved. ARM DDI 0287B
disables write accesses to all registers except the Lock Register. This feature protects
the Watchdog module registers from being spuriously changed by runaway software
that might otherwise disable the Watchdog module operation.
19.2.1 Programmable parameters
The following Watchdog module parameters are programmable:
• interrupt generation enable/disable
• interrupt masking
• reset signal generation enable and/disable
• interrupt interval.
19.2.2 Watchdog registers
The base address of the Watchdog module is
0x101E1000 .
The following locations are reserved, and must not be used during normal operation:
•
0x101E1018 – 0x101E1BFC
• 0x101E1F08 – 0x101E1FDC .
For detailed information on the Watchdog registers, see the ARM PrimeCell Watchdog
Controller (SP805) Technical Reference Manual.