Why not just read a datasheet?
http://www.ecsxtal.com/cerares.htm

Tony
-----Original Message-----
From: Pic Dude [mailto:picdude@AVN-TECH.COM]
Sent: Wednesday, June 26, 2002 1:11 AM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC]: Resonators, crystals, and ICSP...


Second try.  Surely someone must have an idea about
using 2-pin resonators with PIC's  ...?

Cheers,
-Neil.




-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Pic Dude
Sent: Monday, June 24, 2002 1:13 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: [PIC]: Resonators, crystals, and ICSP...


Looking into "converting" my Tait programmer for ICSP, and read about
the setting MCLR before 4 instruction cycles issue.  Not a problem with
a crystal, but might be with the RC oscillator.  Perhaps I really need
to migrate from the RC oscillator to crystals once and for all, even in
my timing-insensitive apps.  But then there's the whole stay-below-1.705
mhz deal f/FCC exemption, and the expensive 1MHz crystal deal.  Another
issue is that the crystal I find are usually quite large (relative to
the spot I want to squeeze it in).

So I was looking at resonators.  I know that 3-pin resonators can be
used with PIC's, but are not as accurate as crystals (not a problem for
the timing-insensitive apps), but my calcs tell me that I don't want to
use it for anything with a time-clock.

But what about 2-pin resonators?  Can I use these with a PIC?  If so,
how would I wire it up -- same as a crystal?  And would cap selection
be the same as for a crystal?

Cheers,
-Neil.

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