Reconfigurable hardware emulation system

  • US 5,329,470 A
  • Filed: 12/21/1993
  • Issued: 07/12/1994
  • Est. Priority Date: 12/02/1988
  • Status: Expired due to Term
First Claim
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1. An electrically reconfigurable hardware emulation apparatus which can be configured with a circuit design in response to the input of circuit information and which transmits signal information between the configured circuit design and an external system adapted for use with a component incorporating the circuit design, said electrically reconfigurable hardware emulation apparatus comprising:

  • a plurality of electrically reconfigurable devices, at least some of said electrically reconfigurable devices having reprogrammable functional logic elements and input/output terminals capable of being connected to at least some of said functional logic elements;

    at least one other of said electrically reconfigurable devices containing reprogrammable electrical conductors which are used to reconfigurably interconnect selected input/output terminals of selected electrically reconfigurable devices containing functional logic elements such that selected functional logic elements in one of said selected electrically reconfigurable devices containing functional logic elements can be electrically coupled to selected functional logic elements in another of said selected electrically reconfigurable devices containing functional logic elements; and

    an interface structure including circuitry which provides electrical paths for signals carrying signal information between the external system and designated ones of said functional logic elements in said electrically reconfigurable devices containing functional logic elements.

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