In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Ronald, The pull-ups work fine with nothing connected to the RA pins. What do you have connected to them ? The pull-ups are very weak (approx 20K) so any circuit connected to them might bring the level down. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=140402#m140476 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)