In SX Microcontrollers, SX/B Compiler and SX-Key Tool, DosManDan wrote: OK....I have an answer!!! Chris found the answer. Looks like capacitance was the problem. I built a compact test protoboard and ran it at various voltages and debug worked with them all. Thank you to everyone who offered suggestions, I really appreciated it. And, a big thanks to Chris, I don't think I would have solved it without your help. Dan ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=184217#m184993 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)