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Interconnect and a method for designing an interconnect

  • US 8,307,147 B2
  • Filed: 09/09/2005
  • Issued: 11/06/2012
  • Est. Priority Date: 09/09/2005
  • Status: Active Grant
First Claim
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1. An interconnect comprising:

  • multiple (M) input ports;

    multiple (S) output ports; and

    multiple modular components coupled between the M input ports and the S output ports;

    wherein each modular component is adapted to support a certain point-to-point protocol, wherein at least one modular component comprises a sampling circuit and a first bypass circuit, the sampling circuit being selectively bypassed by the first bypass circuit, the multiple modular components comprising;

    multiple expanders, wherein each expander comprises;

    a sampler, wherein the sampler upgrades a transaction priority of a pending transaction request stored in the sampler by changing a priority attribute value of the transaction request, the sampler being selectively bypassed by a second bypass circuit; and

    a de-multiplexer; and

    multiple (S) arbiters and multiplexers, wherein different expanders are coupled to different masters, and wherein each expander is coupled in parallel to the S arbiters and multiplexers.

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