In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mghodge wrote: do you mean external memory, or the SX memory? If SX memory then... Connect low order 8 bits to port b1-7 and high 4 remaning bits to port c0-3 then. mov var1,rb mov var2,rc 4 cycles. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=437692#m437709 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)