Multiple PIC's with 1 crystal


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  1. #1
    Join Date
    Mar 2003
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    rossfree, Don't listen to skimask as the OSC2 output is divided by 4 ONLY in RC mode and INTIO mode. Either of which you are using. In normal HS or XT modes the OSC1 signal is buffered and inverted on OSC2. It's all in the data sheets....

    Dave Purola,
    N8NTA

  2. #2
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    Quote Originally Posted by Dave View Post
    rossfree, Don't listen to skimask as the OSC2 output is divided by 4 ONLY in RC mode and INTIO mode. Either of which you are using. In normal HS or XT modes the OSC1 signal is buffered and inverted on OSC2. It's all in the data sheets....

    Dave Purola,
    N8NTA
    Right, don't listen to me...sometimes I don't know what I'm talking about....like in the above post

  3. #3
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    Thank you... I was a bit puzzled...

    Which brings me back to the original question...

    Do I tie off osc2 on the second PIC or leave it unattached??? Looking for a simple answer. :-)

    Ross
    Never enough knowledge to be called intelligent but just enough knowledge to be considered dangerous!

    I like that! :-)

  4. #4
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    Just leave it hanging (or use it as an available I/O if your particular PIC permits). If you needed to do something with it, I would have said so in my original post at the start of this thread.

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