there is an i2c rtc from philips.

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>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>On Behalf Of fred jones
>Sent: Tuesday, November 22, 2005 9:33 PM
>To: piclist@mit.edu
>Subject: [PIC] Real time clock and I2C question
>
>
>Hi all,
>I sent a message earlier but haven't seen it come across so 
>I'll give it 
>another try.  I have never used a real time clock or I2C comm. 
> I found a 
>suitable candidate, DS1388, with I2C and trickle charge for a backup 
>battery.  Unfortunately I can't find a supplier for it 
>including Maxim.  I 
>looked at the DS1302 which is not I2C but is available however 
>its 3 wire 
>interface uses RC3 for a synch clock.  Will this be a problem 
>for using the 
>other I2C devices?  Any help is appreciated.
>Thanks,
>FJ
>
>
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