Hi,
I am using the PIC as replacement for a dallas clock chip because I can
integrate some other functionality to it. Mine ia also a data logging
type. I am using the PIC also to monitor the changes in any Analog
signal to wake up the main processor which is sort of power hungry when
not in sleep mode.

So the point is why don't you use the timer in PIC to maintain a real
time clock. Is there anything I am mising
rgds
ramana

-----Original Message-----
From: Quitt, Walter [mailto:wquitt@MICROJOIN.COM]
Sent: Friday, May 19, 2000 9:09 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: Time Stamping


I go two routes.  One is a Dallas clock.  The other is to
get time off a GPS serially.  By using the GPS 1PPS signal
I can sync the processor to that create time stamps.  That's
the simple answer.  It is a bit more complicated in code.

GL,
Walt...

-----Original Message-----
From: Andy Stubbins [mailto:andy@STUBBINSR.FREESERVE.CO.UK]
Sent: Friday, May 19, 2000 5:59 AM
To: PICLIST@MITVMA.MIT.EDU
Subject: Time Stamping


I am working on a project that incorporates the pic16f876. Part of the
project involves data logging quite a large amount of data over a period
of
time and the data requires an accurate time stamp for evaluation
purposes.
It would be appreciated if anyone has any suggestion on the time
stamping.
Many Thanks Andy Stubbins