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yuanye-28
Visitor II
September 8, 2005
Question

the problems with st7538

  • September 8, 2005
  • 3 replies
  • 783 views
Posted on September 08, 2005 at 07:26

the problems with st7538

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    3 replies

    Y
    yuanye-28Author
    Visitor II
    May 30, 2005
    Posted on May 30, 2005 at 05:44

    the page 3 of st7538's datasheet says:37 pin(C_MINUS) :if not used this must be connected to VDC.38 pin(C_PLUS):if not used this must be tied low (SGND or PAVSS or DVSS).

    but in the an1714 figure 12,it shows that 37 pin(C_MINUS) is tied low,38 pin (C_PLUS) is connected VDC.

    Who can tell me which is right?

    thank you :p

    Y
    yuanye-28Author
    Visitor II
    June 8, 2005
    Posted on June 08, 2005 at 07:03

    Emile,I see.thank you very much. :p

    Y
    yuanye-28Author
    Visitor II
    June 8, 2005
    Posted on June 09, 2005 at 01:52

    how to know the data already writing register.

    what means that register read.

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