AS3525-A/-B C22O22
Data Sheet, Confidential
Watchdog lock register, WdogLock
Use of this register allows write-access to all other registers to be disabled. This is to prenent rogue software from disabling the watchdog
functionality. Writing a value of 0x1ACCE551 will enable write access to all other registers. Writing any other value will disable write accesses. A
read from this register will return only the bottom bit:
•
•
0 indicates that write access is enabled (not locked)
1 indicates that write access is disabled (locked)
Table 26 watchdog lock register
Name
Base
Default
0x00
WdogLock
AS3525_WDT_BASE
Watchdog raw interrupt status register
Offset: 0xC00
Bit
Bit Name
Default
Access
Bit Description
31:0 Enable register
writes
W
Enable write access to all other registers by writing
0x1ACCE551. Disable write access by writing any other value.
0: write access to all other registers is enabled (default)
1: write access to all other registers is disabled
0
Register write
enable status
0
R
© 2005-2009, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com Revision 1.13
46 - 194
AMSCO [ AMS(艾迈斯) ]
