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Input/output section for an intelligent cell which provides sensing, bidirectional communications and control

  • US 5,113,498 A
  • Filed: 06/04/1990
  • Issued: 05/12/1992
  • Est. Priority Date: 11/10/1987
  • Status: Expired due to Term
First Claim
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1. In a network for sensing, communicating and controlling which includes a plaurilty of cells, a cell comprising:

  • a processor;

    an input/output section for providing coupling between said processor and said network, said input/output section comprising;

    a plurality of circuit elements comprising, a state machine for providing control signals for said input/output section event sensing means for sensing predetermined electrical changes, timing means for measuring time intervals, and multiplexing means for directing said sensed electrical changes to said state machine;

    first register means coupled to receive signals from said processor, said first register means for automatically electrically configuring and reconfiguring said circuit elements based on said signals from said processor to provide a plurality of input/output functions;

    second register means coupled to said processor for storing input/output status information and for coupling this information to said processor, said second register means being coupled to said timing means;

    said state machining being coupled to said event sensing means and at least one of said and second register means;

    whereby said input/output section can be configured and reconfigured to perform a plurality of input/output functions.

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