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Programmable switch for FPGA input/output signals

  • US RE37,195 E1
  • Filed: 01/06/2000
  • Issued: 05/29/2001
  • Est. Priority Date: 05/02/1995
  • Status: Expired due to Term
First Claim
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1. A programmable logic device comprising:

  • a user logic structure;

    a configuration memory for controlling said user logic structure;

    structure for accessing said configuration memory;

    a plurality of pads for connecting external signals to said programmable logic device;

    a programmable switch, said programmable switch being programmable to connect signals between said pads, said user logic structure, and said structure for accessing said configuration memory, said programmable switch being programmed by said configuration memory.

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