All you need to do is type "i2c bus specification" into Google, and you'll get lots of hits. The spec was originally developed by Philips, so any doc on a Philips web site will get you going. Stuart > > If u can give me some links of docs(I2C) abt it i can start doing it > from tommorrrow. > -- To unsubscribe from cores mailing list please visit http://www.opencores.org/mailinglists.shtml