-----Original Message-----
From: Shannon Spurling <shannon@MORE.NET>
To: PICLIST@MITVMA.MIT.EDU <PICLIST@MITVMA.MIT.EDU>
Date: Monday, October 27, 1997 11:45
Subject: Re: Clock troubles


>Well, for starters.... What model of PIC chip are you using? and what is
>the rated speed? Lastly, what kind of Xtal was this, and are you sure the
>15pF caps are the right value? I know they are for a 4Mhz oscilator,
>because I've hooked up my 16c84's with this configuation many times before.
>There are tables and equations given in the data sheets to help you
>calculate the proper caps for that frequency of oscilation. Also, if you
>are trying to drive a 16c84 at this frequency, you can forget it bacause
>this component is rated at 4Mhz and 10Mhz. Some may be able to be over
>clocked a little, but I would think that 50% would be a little bit more
>that they could handle.


    Have you checked out the future products page at microchip, they have a
new 16F8xA coming out, up to 20MHZ, can't wait, that'll be nice. TTYL