Cross-bar matrix for connecting digital resources to I/O pins of an integrated circuit

  • US 6,738,858 B1
  • Filed: 05/31/2000
  • Issued: 05/18/2004
  • Est. Priority Date: 05/31/2000
  • Status: Active Grant
First Claim
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1. A circuit for assigning digital resources to pins of an integrated circuit, comprising:

  • a plurality of the pins of said integrated circuit;

    a microprocessor formed in said integrated circuit;

    a plurality of selectable digital resources formed in said integrated circuit, each of said digital resources having at least two interface signal paths that require interface to at least two of said plurality of pins that are selected; and

    a cross-bar matrix having a plurality of signal inputs coupled respectively to the at least two interface signal paths of select ones of said digital resources, and a plurality of signal outputs coupled to the pins of said integrated circuit, said cross-bar matrix controlled by said microprocessor for selectively coupling said ones of said signal inputs to different said signal outputs, whereby the at least two interface signal paths of select ones of said digital resources can be coupled to different ones of said plurality of pins under control of said microprocessor.

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