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Configurable electronic device which is compatible with a configuration bitstream of a prior generation configurable electronic device

  • US 5,773,993 A
  • Filed: 09/26/1996
  • Issued: 06/30/1998
  • Est. Priority Date: 09/26/1996
  • Status: Expired due to Term
First Claim
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1. A configurable electronic device which is compatible with a prior generation configurable electronic device, the prior generation configurable device being configurable by a first bitstream, the configurable electronic device comprising:

  • a first configurable domain which is integrated in the configurable device and configurable by the first bitstream;

    a second configurable domain which is integrated in the configurable device and optionally configurable by an optional second bitstream concatenated to the first bitstream; and

    configuration means for loading the first bitstream into said first configurable domain and for loading said second configurable domain with the optional second bitstream; and

    signal means coupled to said configuration means for indicating when the first bitstream has been loaded into said first configurable domain.

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