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Method and apparatus for testing a dual mode interface

  • US 7,657,799 B2
  • Filed: 05/04/2006
  • Issued: 02/02/2010
  • Est. Priority Date: 05/04/2006
  • Status: Active Grant
First Claim
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1. A dual mode interface having at least a first operational mode and a second operational mode, said dual mode interface comprising:

  • a first strobe circuit and a second strobe circuit;

    a signal line connecting an output of said second strobe circuit with an input of said first strobe circuit; and

    a switch element configured to activate said signal line in response to receipt of a test signal;

    wherein said first strobe circuit and said second strobe circuit are configured to be operable during said second operational mode of said dual mode interface; and

    wherein said first strobe circuit and said second strobe circuit are configured to be inoperable during said first operational mode of said dual mode interface other than during activation of said signal line.

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