In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJ Allen wrote: [quote="Mr_Nuke"] You could use the intenal 4Mhz clock source of the SX chip. Make sure you use IRC_CAL IRC_4MHZ [/quote] OK, I'm glad somebody (else) brought this up. The internal oscillator trimming, in Assembly, results by setting [the/those] 3 bits in the FUSEX register. Mr_Nuke's post leads me to believe this is all [i]done[/i], I guess, by the SX-Key/Blitz & the IDE. Enquiring minds what to know. How could/can you tell (can I see it on OSC1/OSC2)? ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=161088#m162128 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)