In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mgreen wrote: I believe there is a maximum for each 8-bit I/O port and for the whole chip (Vdd/Vss) on the datasheet. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=419241#m419242 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2010 (http://www.dotNetBB.com)