System Wide Clock?


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  1. #1
    Join Date
    Dec 2006
    Location
    WADSWORTH OHIO USA
    Posts
    37


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    Unhappy

    Well the BFH "Bottle of Fermented Hops" didn't hurt or help. But was enjoyable.

    I gave in guys...

    Tacked on some crystals and caps, trimmed some traces, and I'm up and running.

    Started out with 20Mhz @ 4v PK2PK. Was getting about 1v drop for each pic in series or parallel. The pics start failing at 2.8v pk2pk.

    I will not let this drop. I am just on a really tight schedule.

    Thanks for the help so far.
    Thanks !
    SOMRU
    TWE/TFP/EE

  2. #2
    Join Date
    Aug 2003
    Posts
    985


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    Default

    You can use a 74HC04 to distribute clock signal.
    Like in this schematic:
    http://www.picbasic.co.uk/forum/atta...4&d=1060366548
    there is two pics, only one clock. More pics could be added.

  3. #3
    Join Date
    Dec 2006
    Location
    WADSWORTH OHIO USA
    Posts
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    Wink Moving on

    thanks...

    Possibly in the "NEXT GENERATION" upcoming.

    How much SNYCH is really needed?
    Not much for this application. But need for a solid timing freq is.


    THANKS AGAIN
    Thanks !
    SOMRU
    TWE/TFP/EE

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