In SX Microcontrollers, SX/B Compiler and SX-Key Tool, VelocitąPaola wrote: Make sure you have the device directive set to the internal 4MHz oscillator. Also, MCLR needs to be pulled high (to +5V) through a 10k ohm resistor otherwise the chip will keep resetting itself. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=267482#m267488 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2008 (http://www.dotNetBB.com)