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PICList Thread
'Using Oscillator w/ PIC'
1995\11\27@154515 by Mike Goelzer

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       I'm a bit embarassed to admit this, but all the PIC projects I've
ever done have used RC oscillators.  Now I want to get more accurate timing,
so I ordered a 4.00Mhz oscillator from Mouser.  It is a little metal package
with four pins coming out.   Can anyone tell me how to connect this thing
to clock the PIC (I've never used a crystal before, as is probably plainly
obvious)?

Thanks.

-mike
--
Mike Goelzer
<spam_OUTmgoelzerTakeThisOuTspamus.net>

1995\11\28@011125 by Joel Carvajal

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On Mon, 27 Nov 1995, Mike Goelzer wrote:

>         I'm a bit embarassed to admit this, but all the PIC projects I've
> ever done have used RC oscillators.  Now I want to get more accurate timing,
> so I ordered a 4.00Mhz oscillator from Mouser.  It is a little metal package
> with four pins coming out.   Can anyone tell me how to connect this thing
> to clock the PIC (I've never used a crystal before, as is probably plainly
> obvious)?

       +--------\
pin1 NC | o    o | VCC
       |        |
       |        |
   GND | o    o | CLK OUT
       \--------/
       TOP VIEW

1995\11\28@122108 by BBoles

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    Sounds like you have a canned oscillator, not a Xtal.  2 of the 4
    leads should be Vdd/Vss and another is OSCOUT.  Connect this line to
    CLK1/OSCIN on the PIC and use XT mode for oscillator mode.  You cannot
    use RC mode.

    Rgds, Brian.


______________________________ Reply Separator _________________________________
Subject: Using Oscillator w/ PIC
Author:  Mike Goelzer <.....mgoelzerKILLspamspam@spam@US.NET> at Internet_Exchange
Date:    11/27/95 3:39 PM


       I'm a bit embarassed to admit this, but all the PIC projects I've
ever done have used RC oscillators.  Now I want to get more accurate timing,
so I ordered a 4.00Mhz oscillator from Mouser.  It is a little metal package
with four pins coming out.   Can anyone tell me how to connect this thing
to clock the PIC (I've never used a crystal before, as is probably plainly
obvious)?

Thanks.

-mike
--
Mike Goelzer
<mgoelzerspamKILLspamus.net>

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