I have several. The 4 bit OSCCAL field is nominally set at 8. A value of 8 is the center point for the oscillator, so it might not be uncommon to see a 7 or 9. My values from the windowed parts were 9 for the two parts I looked at several months ago. Chuck Mauro > -----Original Message----- > From: David Sprenkle [SMTP:sprenkle@BUSPROD.COM] > Sent: Monday, March 02, 1998 7:09 PM > To: PICLIST@MITVMA.MIT.EDU > Subject: 12C508 cal value on window version > > Anyone out there have a 12c508 window. What is the preset internal > osc > value. I know that it is dependent on processing factors I just > wanted > a starting point. > > -- > David Sprenkle