Apparatus and method for isolating portions of a scan path of a system-on-chip

Apparatus and method for isolating portions of a scan path of a system-on-chip

  • CN 101,932,945 A
  • Filed: 01/21/2009
  • Published: 12/29/2010
  • Est. Priority Date: 01/30/2008
  • Status: Active Application
First Claim
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1. SOC (system on a chip) equipment, described equipment comprises:

  • Scanning pattern, described scanning pattern comprises the first estate rank and second rating at least, the first estate rank comprises a plurality of assemblies, second rating comprises at least one assembly, wherein utilizes at least one control signal propagation data in the first estate rank that is applied to other assembly of the first estate level;

    WithSteering logic, described steering logic are used to filter to the applying of at least one control signal of at least one assembly of second rating, and are independent of data dissemination in the first estate rank to control data dissemination in second rating.

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