In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: Tim, Resonators are plenty accurate enough for serial communications. The internal clock is something like +/- 8% a resonator is probably something like +/- 0.1% Of course a fast clock will run faster. But "PAUSE 1" will always be 1millisecond. If you want less than that then use PAUSEUS. You MUST have the DEVICE line. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=100952#m100966 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)