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Intelligent distributed data transfer system

  • US 5,761,200 A
  • Filed: 10/27/1993
  • Issued: 06/02/1998
  • Est. Priority Date: 10/27/1993
  • Status: Expired due to Term
First Claim
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1. A distributed data transfer system for transferring data among several processing units and integrated data storage means, comprising:

  • a plurality of distributed data transfer data transfer means for connecting to each of said processing units;

    integrated distribution control means connected to said plurality of distributed data transfer means for monitoring and controlling timing and sequence of transferring data in each of said distributed data transfer means;

    said plurality of distributed data transfer means having said timing and sequence of data transfer controlled by said integrated distribution control means for transferring said data in divisible portions over a plurality of scheduled time periods;

    said plurality of distributed data transfer means further includes a plurality of data bus branches and a bus trunk, said bus trunk connecting between said integrated data storage means and said integrated distribution control means, and said plurality of data bus branches connecting between said integrated distribution control means and said several processing units;

    said integrated distribution control means controls and coordinates said timing and sequence of data transfer from said bus trunk to each of said data bus branches;

    said integrated distribution control means further includes programmable control means for down-loading of control programs for changing schemes of controlling and coordinating said timing and sequence of data transfer from said bus trunk to each of said data bus branches; and

    said programmable control means further includes a plurality of finite state machines (FSMs) for each of said data bus branches wherein each of said FSMs includes a programmable logic array for receiving said down-loading of control programs and a state register for storing a state of said FSM;

    each of said FSMs receiving a control signal from said integrated distribution control means for directing and coordinating a transfer of data on each of said data bus branches.

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