Hello, I am having some trouble interfacing with the Maxim DS17287 RTC. The RTC IC uses 8-bit multiplex bus interface, but the PIC18F452 doesn't not support this interface so it has to be done in software (and I don't know how). Have you done any coding to interface to this RTC or a similar devices (i.e DS12877, DS1687, etc)? Please help sharing the code. Thank you in advance! Best regards, Thomas Do you Yahoo!? Yahoo! Mail - More reliable, more storage, less spam -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics