=20
I am trying to set up a clock crystal for timer1, so I can keep track of
time while I am in sleep mode.  I got the code working fine with an
external 32,768 oscillator (a DS32KHZ tied to T1CLKI), but I am trying
to get it to work with a 32,768 crystal.  This is my first time working
with crystals; I always use the internal oscillator, or a ceramic
resonator.  Since it works with the external oscillator, I assume my
software setup is ok.  I am using this crystal: =20
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http://rocky.digikey.com/WebLib/Epson/Web%20Data/C-2-TYPE,C-TYPE.pdf
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The symptoms are that timer1 doesn't increment. :-)  I have the crystal
connected to T1OSI and T1OSO, and then 33 pF capacitors between those
pins and ground.  I have also tried 68 pF, 18 pF, and 68 pF, and just
plain wires.  I wrote a simple printf loop to display the value in
timer1 every 1/2 second, and it just sits there.  If I wiggle the
crystal, then I get a few increments, so I think the timer is set up
correctly.
=20
Any advice?
=20
Thanks!
=20
Alex

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