> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf
> Of Sean Breheny
> Sent: 11 October 2011 04:27
> To: Microcontroller discussion list - Public.
> Subject: Re: [PIC:] Distinction between RESET and BOWNOUT
>=20
> Hi Peter,
>=20
> This variable that you are talking about - will this be stored in
> EEPROM/flash or RAM? I think that RAM contents may be destroyed during
> a brown-out condition. Probably not, but I wouldn't rely on it.
>=20
> It seems to me that others have already mentioned that there are
> status bits in the PIC which will tell you whether the last reset was
> a power-on reset or a brown-out condition. Why not simply check for
> this at every boot and if it was a brown-out reset, then do not
> operate. Replacing the batteries will cause a power-on reset instead
> and then you can resume normal operation.
>=20
> Sean

Even better if you can do something to cause a high current demand at
start-up so you get a brown out before the main code starts executing.

Mike

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