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Microprocessor oriented configurable logic element

  • US 4,758,985 A
  • Filed: 03/28/1986
  • Issued: 07/19/1988
  • Est. Priority Date: 02/27/1985
  • Status: Expired due to Term
First Claim
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1. A configurable logic element comprising:

  • means for receiving a first plurality of N binary input signals;

    means for receiving a second plurality of M binary feedback signals;

    means for selecting K of said M+N binary signals (where K≦

    M+N);

    configurable combinational logic means for receiving said K binary signals from said means for selecting, said configurable combinational logic means having a plurality of configurations for generating selected binary output signals;

    a first configurable storage circuit for receiving selected ones of said binary output signals of said configurable combinational logic means and selected ones of said N binary input signals and for generating said M binary feedback signals, said configurable storage circuit having a plurality of configurations;

    a configurable select logic comprising means for receiving said output signals generated by said combinational logic means and said M binary signals generated by said configurable storage circuit and means for selecting output signals from among the signals received by said select logic; and

    means for reading the status of a selected one of said output signals of said combinational logic means and said M feedback signals.

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