>The DS1307 datasheet says 2 wire protocol, but not I2C ? >Is it a different protocol? Or is it a problem with philips ? It's I2C. Might be a Philips problem, but even if they got that sorted out they probably didn't feel like fixing the data sheet (would you? :) >PD: Is fry electronics reliable ? They don4t answer my mails ? Frys. Hmm, they're on the web? Have they joined the computer age? Seriously, type 'frys' into a search engine and see what other folks have to say about them. Barry -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu