Apparatus for emulation of electronic hardware system

  • US 5,109,353 A
  • Filed: 12/02/1988
  • Issued: 04/28/1992
  • Est. Priority Date: 12/02/1988
  • Status: Expired due to Term
First Claim
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1. A configurable hardware system, including:

  • means for entering into said system configuration information representative of an electronic circuit or system to be emulated,means responsive to said configuration information, for creating signals of a first type,programmable circuit and interconnect means, responsive to said signals of a first type, for configuring and interconnecting the hardware elements of the circuit or system to be emulated into a configurated circuit or system, said programmable circuit and interconnect means comprising a plurality of programmable gate array integrated circuits, each of said integrated circuits including a plurality of functional logic elements, a plurality of programmable interconnect paths, and a plurality of input/output nodes,means for transferring said signals of a first type to said programmable circuit means,means for providing testing input signals to, and for obtaining output signals from, said configured circuit or system and,means for incorporating external components or systems into said configured circuit or system, said means comprising at least one of said programmable gate array integrated circuits, said at least one programmable gate array integrated circuit having selected ones of its input/output nodes hardwired to an external circuit interface and having other selected ones of its input/output nodes hardwired to selected input/output nodes of at least one of said plurality of said programmable gate array integrated circuits in said programmable circuit and interconnect means.

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