In my earlier message I said the origin of using Xtal for a crystal was obscure. Bill's message confirms this. Bill, what has X representing 'trans' got to do with 'crystal'? CIAO - Martin. ______________________________ Reply Separator _________________________________ Subject: Re: XT Author: pic microcontroller discussion list at Internet Date: 5/24/98 8:19 PM X stands for 'trans' as in 'trans'mit and 'trans'former. Therefore XT means for crystal. Bill C. bill@cornutt.com ---------- > > Does anyone know what 'XT' stands for in the OSC config. > > I guess > RC = Resistor Capacitor > LP = Low Power > HS = High Speed > > Tony > > > PicNPoke Multimedia 16F84 Beginners PIC Tools. > > **PLUS** - PicNPlay - PicNPlan - PicNPrep - PicNPost > PicNPort - DT Type Saver - *new* PicNQuiz. > Recent addition - Hex To Source converter. > > http://www.picnpoke.com > Email picnpoke@cdi.com.au >