Partial permanent write protection of a memory card and partially permanently write protected memory card

  • US 7,827,370 B2
  • Filed: 07/08/2005
  • Issued: 11/02/2010
  • Est. Priority Date: 07/08/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • write protecting at least one part of a memory by a command;

    setting at least one bit in a data register configured to indicate that permanent write protection of the at least one part of the memory is allowed in order to redefine the command to allow permanent write protection, that cannot be un-protected by a command, of the at least one part of the memory; and

    executing the command in order to permanently write protect said at least one part of the memory.

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