In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Rsadeika wrote: Thanks Jon, I was affraid of that. I guess I will try to implement, a UART that is in asm code, into the ISR. That sounds like it should keep me busy for awhile. I remember for the SIRCS_ISR program that you came up with, you mentioned that the RETURNINT 104 (26 uS @ 4 MHz) was setup to also handle 9600 baud. So, I guess the 104 rate would be a good place to start at. Thanks Ray ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=103038#m103167 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)