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realtime clock using timers
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banh



Joined: 16 Dec 2004
Posts: 472
Helped: 12
Post05 Jan 2005 13:38   

realtime clock using timers
is it reliable implementing realtime clock (seconds, minutes, hour) using timers?
how do we go about calculating & fixing the error (say evey 3 day have to adjust by some seconds..)?
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Microemission



Joined: 04 Jan 2005
Posts: 63
Helped: 4
Post05 Jan 2005 14:26   

Re: realtime clock using timers
I dunno how far the timers can be accurate but i know there is a IC still inproduction from philips PCF8583 that is a real time clock with I2C communications, that u can implement on Pic easy
Here's the link for thos IC datasheet
http://www.semiconductors.philips.com/pip/PCF8583U.html
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Post05 Jan 2005 14:26   

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XNOX_Rambo



Joined: 13 Jul 2002
Posts: 437
Helped: 87
Location: Far out, man!
Post05 Jan 2005 14:31   

Re: realtime clock using timers
Check this topic:
http://www.edaboard.com/viewtopic.php?t=102533&highlight=
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