In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Most likely because you cannot use the internal oscillator for serial communications it's not accurate enough. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=195677#m195691 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)