Olin Lathrop wrote:
> Stef Mientki wrote:
>   
>> With 5uA for the WDT,
>>     
>
> That is way more than necessary.  You can either make your own external
> timer,
that might be a good idea
>  or use one of the new PICs with internal low power wakeup timer.
>   
any type numbers perhaps ?
(it's difficult to search on microchip sites :-(
(what I read from the figures, 16F630 uses max 6uA WDT)

cheers,
Stef

> Last time I did an external timer it was something like 250nA average.  The
> PIC low power wakeup can be less than 1uA if I remember correctly.
>
> I've got a 16F630 running about 2 years on two CR2032 using my external
> wakeup timer.  It mostly sleeps, but every 10 seconds it wakes up and sends
> an RF message and a few burst of IR signature.
>
>
> ******************************************************************
> Embed Inc, Littleton Massachusetts, (978) 742-9014.  #1 PIC
> consultant in 2004 program year.  http://www.embedinc.com/products
>   
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