In SX Microcontrollers, SX/B Compiler and SX-Key Tool, LUCA wrote: Thanks for the answer, I have done as you have said but when I read the programmed chip (and protected) with sx-key I succeed to read it and I get the file.HEX [img]http://forums.parallax.com/forums/emoticons/shocked.gif[/img] Thanks for your help LUCA ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=92796#m92953 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)