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dmerchez9
Visitor II
May 3, 2005
Question

quartz for RTCXTI

  • May 3, 2005
  • 2 replies
  • 570 views
Posted on May 03, 2005 at 13:37

quartz for RTCXTI

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    2 replies

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    dmerchez9Author
    Visitor II
    May 3, 2005
    Posted on May 03, 2005 at 08:32

    Hello

    I've seen that between the RTCXTI et RTCXTO pins, we have to place a 32KHz quartz for the realtime clock.

    If if generate this clock by a FPGA, is it possible to connect this signal on the RTCXTI pin, and to put the RTCXTO one on the ground?

    If not, is there a solution?

    Thx

    Dam :D

    H
    hichem2
    Visitor II
    May 3, 2005
    Posted on May 03, 2005 at 13:37

    Hello Dam,

    In the STR71x Reference Manual (Page 63/345) it's indicated that you can stopped or bypassed the 32-KHz oscillator , featuring zero power consumption and allowing an external reference clock to feed the Real Time Clock, or a

    Backup clock source to the whole system.

    So I think that your idea is actable.

    Best regards,

    Hich ;)

    [ This message was edited by: Hich on 03-05-2005 17:27 ]

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