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Apparatus and method for protecting diagnostic ports of secure devices

  • US 20060200682A1
  • Filed: 03/03/2005
  • Published: 09/07/2006
  • Est. Priority Date: 03/03/2005
  • Status: Active Grant
First Claim
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1. An electronic system comprising:

  • a processor;

    a diagnostic port;

    a switching circuit, including a switch connected between the diagnostic port and the processor, for enabling and disabling the diagnostic port and for restricting access to contents of the electronic system prior to enabling the diagnostic port.

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