At 10:23 AM 7/29/99 +0100, you wrote: >Unfortunately you have to implement I2C master in software on most midrange >PICs. >I agree that slave mode is the one most people use, but it is also pretty >easy to implement in software. Slave mode is very hard to do in software >which is why the hardware supports this mode. Newer chips (16F87x) include hardware I2C master. The 17C75x chips do also. Andy ================================================================== Andy Kunz Life is what we do to prepare for Eternity ------------------------------------------------------------------ andy@rc-hydros.com http://www.rc-hydros.com - Race Boats andy@montanadesign.com http://www.montanadesign.com - Electronics ==================================================================