On Mon, 21 Oct 2002 02:09:49 +0200, you wrote:

>On Mon, 21 Oct 2002, Mike Harrison wrote:
>
>*>..and most of that is the Watchdog..... I'd say an external micropower
>*>brownout chip would be more useful than the WDT in this sort of
>*>application.
>
>My datasheet says up to 1/3 of the power is the watchdog. I am not using
>external reset or brownout, the wdt is the only thing that recovers the
>cpu from la-la land.

WDT will usually NOT recover from brownout. My biggest complaint about
the 8 pin devices is that you often need to waste a pin for an
external reset - an onboard micropower brownout detector would make
these chips SO much nicer!
.
>Having very low power mcus probably would make a lot more sense if =
smaller
>batteries were available and inexpensive ...
How small/cheap do you want.... alkaline button-cells are a few cents,
and lithiums can be got down to about 1220

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