In SX Microcontrollers, SX/B Compiler and SX-Key Tool, JonnyMac wrote: At 4MHz you are missing interrupts, hence the apparent change in speed. If you have an SX-Key you can let the Key generate the clock and see the timing work correctly. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=258538#m259323 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)