In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote: Andrew and Bebopalot, Make sure you physically test the "Hi-Z won't interfere with SX programming" asumption before you make any PCBs. I made this assumption using TTL oscillators only to find out they have diodes in their output path which end up clamping the protgramming voltage generated by the SX-Key so that it can't program chips. I learned this [b]after[/b] I made PCBs. [list]Thanks, PeterM[/list] ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=115586#m116419 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)