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Visitor II
August 24, 2005
Question

How to do supplying the external battery power to sram in using upsd3254?

  • August 24, 2005
  • 2 replies
  • 670 views
Posted on August 24, 2005 at 02:25

How to do supplying the external battery power to sram in using upsd3254?

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    2 replies

    xiebintjAuthor
    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 12:08

    Now I meet with an important question in upsd3254, I want to supply external power to internal sram, not using the internal power supplying to internal sram,even if the chip power is still on.How can I do it? Any ideas are helpful,Thanks :-[

    :-[

    Visitor II
    May 17, 2011
    Posted on May 17, 2011 at 12:08

    hello,

    you must define PC2 pin of UPSD in PsdSoft as sram standby voltage input,then connect this pin to battery backup circuits.

    ;)