In SX Microcontrollers, SX/B Compiler and SX-Key Tool, kehnan wrote: Many thanks, Bean~ It really reacts as you said. Later on I added an external 20MHz crystal to it, but SX run in a unconstant pace, and even go to a stop (i toggled an LED to monitor it). Do i miss anything? Here is what i set to clock directives DEVICE SX28, OSCXT2, TURBO, STACKX, OPTIONX FREQ 20_000_000 ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=156919#m156967 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)