rad0 wrote...

>where can you get parallel cut crystal oscillators for
>this chip

There's some confusion of terms here.  You can get "parallel cut
crystals" which work with the PIC's oscillator, or you can get a
"crystal oscillator" which contains a crystal **AND** an
oscillator circuit.  These are two different things, and I assume
you want the former.  AFAIK, all PICs are the same or very
similar with regard to their crystal oscillator circuits; they
all work with parallel-cut crystals (in contrast to series-cut
crystals, with which they are not intended to be used).  A
crystal which works for one, should work for nearly all of them.

>I want to use the HS+PLL option
>and what I have doesn't seem to be working.

(It would have been useful to know what you have, but you didn't
say; nor did you say what it was doing or not doing.)

>I wanted to try the 10mhz X 4 arrangement to
>see what the 40Mhz would give me?

It gives you speed.  BLAZING speed.  A PIC at 40MHz runs like a
striped-ass ape, believe me.

>So I need a 10Mhz ceramic resonator from
>a parallel cut crystal -- I guess.

Crystals give very high frequency accuracy, in the range of +/-
0.01% or so.  If you don't need quite that, a ceramic resonator
will do.  Several companies make ceramic resonators with the
appropriate load capacitors already built in; they're very handy.
DigiKey sells them, other distributors do too.

>Where can you get these?

I've been using these resonators from ECS, Inc.:

http://www.digikey.com/scripts/us/dksus.dll?Detail?Ref=84938&Row=314016

Hope this helps...

Dave D.

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