erk... I knew that, I was just testing you.

Duh! If the processor went nuts, it could easily disable the WDT, which
would make it useless. Of course, there is nothing that prevents a whacked
out processor from getting stuck in a loop where the WDT is constantly being
reset either, but I suppose that would be a lot less likely.

---
James Newton (PICList Admin #3)
mailto:jamesnewton@piclist.com 1-619-652-0593
PIC/PICList FAQ: http://www.piclist.com or .org

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Olin Lathrop
Sent: Friday, June 08, 2001 10:01
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC]: keeping watchdog a bay during sleep on 12c509A


> ...I would assume the thing to do is disable the WDT before you SLEEP and
> then re-enable it on wake up, but I've never had cause to use SLEEP so I
> don't really know.

The watchdog is enabled/disabled in the configuration fuses.  It can't be
disabled or enabled at run time.  Allowing it to be disabled at run time
would defeat part of its intended purpose.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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