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Method and apparatus for integrated circuit debugging

  • US 20020133794A1
  • Filed: 02/20/2002
  • Published: 09/19/2002
  • Est. Priority Date: 02/24/2001
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • selecting one or more of three access methods provided in an integrated circuit to debug program code and/or circuitry contained therein, the three access methods including, a serial debug access through a serial I/O test port of the integrated circuit, a parallel I/O mapped debug access through a host I/O port of the integrated circuit, and a parallel direct debug access through I/O pads of the integrated circuit.

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