In SX Microcontrollers, SX/B Compiler and SX-Key Tool, mir005 wrote: Hi Kramer ! Thanks for your help but my question has not been answered. What i want to know is: When the SX OSC input pin is driven externally and the RTCC is driven internally (by the instruction clock), do the RTCC edge select bits in the OPTION register have any effect or are they ignored ? ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=97863#m97885 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)