John Pizzuto

Pierce Oscillator - Cap values for XTAL

Discussion created by John Pizzuto on Oct 11, 2006
Latest reply on Oct 13, 2006 by Daniel Malik
I'm an HC11 refugee, and am getting ready to test my first 9S12 design.

I'm a little confused about the value of the crystal load caps.

The Abracon crystal spec says 18pF, so I ordered 11pF caps, to take into account the given 7 pF at the EXTAL and XTAL pins.

Is this correct?

Message Edited by JohnnyP on 2006-10-1110:05 AM

Message Edited by JohnnyP on 2006-10-1110:09 AM

(Alban split and retitled post)

Message Edited by Alban on 2006-10-11 04:29 PM