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Host adaptor comprising a status switching circuit which couples an output line to a function input line in response to a function enable line signal

  • US 5,978,863 A
  • Filed: 06/09/1997
  • Issued: 11/02/1999
  • Est. Priority Date: 09/07/1994
  • Status: Expired due to Term
First Claim
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1. A method of operating a status switching circuit having a plurality of input lines, an output line and a disable line, said method comprising;

  • driving a signal on a first input line in said plurality of input lines based on the value of an input storage unit in a status storage element;

    detecting an active signal on said disable line;

    setting the value of said input storage unit in said status storage element;

    disconnecting an output line of said status switching circuit from every one of said input lines;

    detecting an inactive signal on said disable line; and

    connecting said output line to said first input line.

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