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PICList Thread
'RTC recommendations'
1999\11\17@214005 by erik

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Could someone recommend for me a Real Time Clock for my PIC project?
Preferably with :
Calander
Serial Interface ( low pin count interface )
internal battery

Thank you,
Erik

1999\11\18@002420 by Javier

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Hi
HT1380 (holtek) works great and is cheap aprox $2 (here in Argentina)
Bye
Javier

-----Mensaje original-----
De: erik <spam_OUTerikTakeThisOuTspamNETWURX.NET>
Para: .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU <PICLISTspamKILLspamMITVMA.MIT.EDU>
Fecha: Miircoles 17 de Noviembre de 1999 23:41 p.m.
Asunto: RTC recommendations


>Could someone recommend for me a Real Time Clock for my PIC project?
>Preferably with :
>Calander
>Serial Interface ( low pin count interface )
>internal battery
>
>Thank you,
>Erik

1999\11\18@024729 by Nikolai Golovchenko

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-----Original Message-----
From: erik <.....erikKILLspamspam.....NETWURX.NET>
To: EraseMEPICLISTspam_OUTspamTakeThisOuTMITVMA.MIT.EDU <PICLISTspamspam_OUTMITVMA.MIT.EDU>
Date: Thursday, November 18, 1999 4:41 AM
Subject: RTC recommendations


>Could someone recommend for me a Real Time Clock for my PIC project?
>Preferably with :
>Calander
>Serial Interface ( low pin count interface )
>internal battery
>
>Thank you,
>Erik


I would recommend Philips PCF8583. It has I2C interface, draws 10 to 50 uA,
external battery though, and cheap (can be bought here for $3.1). Dallas
makes RTC with internal battery, but twice or three times the cost. RTC
using Timer1 in PIC with additional 32768 Hz quartz may be probably the best
solution, isn't it?

_

Nikolai Golovchenko, Electrical Engineering Student
National Mining University of Ukraine http://www.nmuu.dp.ua
Dnepropetrovsk, Ukraine
E-mail: @spam@golovchenkoKILLspamspammail.ru

1999\11\18@050542 by Dr. Imre Bartfai

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Hi,
I can recommend Ricoh R5C313. It is very small (8-pin SMT), cheap ($1.5 at
us), simple to use and can run from a backup Lithium cell, too.
Regards
Imre


On Thu, 18 Nov 1999, Nikolai Golovchenko wrote:

> {Original Message removed}

1999\11\18@152805 by Stephan Kotze

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Try the Dallas DS1302
----- Original Message -----
From: erik <KILLspamerikKILLspamspamNETWURX.NET>
To: <RemoveMEPICLISTTakeThisOuTspamMITVMA.MIT.EDU>
Sent: Thursday, November 18, 1999
4:37 AM
Subject: RTC recommendations


> Could someone recommend for me a
Real Time Clock for my PIC project?
> Preferably with :
> Calander
> Serial Interface ( low pin count
interface )
> internal battery
>
> Thank you,
> Erik
>

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