In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Peter Van der Zee wrote: Hi Originator; Do you really mean 15 nano seconds (0.015 uSec).... I suspect what you want is much longer! The sequences and directions are easy when you employ a state machine configuration. On top of that, you can simply turn off the selected transistors by ANDing the port bits with 0000 for the desired duration. This is all quite possible using interrupts and a simple-minded real-time scheduler. Cheers, Peter (pjv) ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=146871#m146890 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)