In SX Microcontrollers, SX/B Compiler and SX-Key Tool, william wrote: > Err, your board reboots unpredictably... I can't quite understand your logic here. It doesn't reboot unpredictable, only 10% likelyhood if there is a switching spark really nearby. : ) Ok you guys win. My last question :- Why the SX48/52 datasheet makes no mention about the need to connect all VDD and GND pins? There is no mention of 4 bypass caps requirements or their recommended values also... ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=105106#m105587 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)