i don't know the price (i still had one of these).
it comes from philips (search the philips semiconductors datasheets)
tino





akbar patil <akbarpatil@VSNL.NET>
Gesendet von: pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
17.01.02 15:30
Bitte antworten an pic microcontroller discussion list


        An:     PICLIST@MITVMA.MIT.EDU
        Kopie:
        Thema:  Re: [PIC]: RTC


where can data of this rtc chip
is it low cost one
i am in search of such chip
pl reply
akbar
----- Original Message -----
From: "Martin Buehler" <Martin.Buehler@ASCOM.CH>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, January 17, 2002 1:24 PM
Subject: [PIC]: RTC


> i recently used a pcf8573 rtc with a pic. this one is a good solution
for
> battery buffering (needs single 1.2v nicd) as the core is running down
to
> a very low voltage.
> it has a i2c interface.
> with a separate rtc, you won't get problems when reseting the pic.
> tino
>
>
>
>
>
> Edson Brusque <ebrusque@TERRA.COM.BR>
> Gesendet von: pic microcontroller discussion list
<PICLIST@MITVMA.MIT.EDU>
> 16.01.02 23:25
> Bitte antworten an pic microcontroller discussion list
>
>
>         An:     PICLIST@MITVMA.MIT.EDU
>         Kopie:
>         Thema:  [PIC]: RTC
>
>
> Hello,
>
>     I think this was already covered here, but I've searched the
archives
> and found nothing interesting.
>
>     The PIC is very precise for using one of the interrupts as an RTC?
> Obviously, I mean a PIC in equipment that is always on.
>
>     Or is it more recomendable to use an RTC-on-a-chip like the ones
from
> Dallas (DS1307)? What is the more common/cheap/simple RTC that uses I2C?
>
>     Best regards,
>
>     Brusque
>
> -----------------------------------
> Edson Brusque
> Research and Development
> C.I.Tronics Lighting Designers Ltda
> Blumenau  -  SC  -  Brazil
> www.citronics.com.br
> -----------------------------------
>
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