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Real Time Clock DS1307

Discussion in 'Electronic Components' started by Andros, May 31, 2006.

  1. Andros

    Andros Guest

    Hi there!.

    I am using a RTC DS1307 with a PIC18F252 and already write and read the
    RTC´s registers by I2C protocol; nevertheless when I consult the
    seconds register, I notice that the RTC works 9 times slower of the
    normal thing; my theory is that it is due to the crystal that I am
    using...., which seems to me strange is the slow thing...

    Well, here come my questions...

    * Some one know if in fact this device (DS1307) is so sensible when
    using an unsuitable crystal?

    * Which other factor could influence in this behavior?

    * Could be a firmware problem? (I don´t think so)

    Many Thanks

    Andros!
     
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