In SX Microcontrollers, SX/B Compiler and SX-Key Tool, rovoreed2 wrote: Hmmm, I agree, my gut feeling is that it is a speed issue with the ISR, but I don't understand why it doesn't happen all the time - only when the i2c bus is being stressed. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=97858#m97868 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)