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  1. - 4th February 2007, 22:55 #11
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    mister_e
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    Any Back-Up battery attached to this DS1307?
    Quote Originally Posted by DS 1307 datasheet
    Backup Supply Input for Any Standard 3V Lithium Cell or Other Energy Source. Battery
    voltage must be held between the minimum and maximum limits for proper operation.
    Diodes in series between the battery and the VBAT pin may prevent proper operation. If a
    backup supply is not required, VBAT must be grounded.
    Any Pull-Up on SDA and SCL pins?
    Last edited by mister_e; - 4th February 2007 at 23:03.
    Steve

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    There's no problem, only learning opportunities.
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