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Electronic equipment including storage device

  • US 9,952,945 B2
  • Filed: 07/05/2013
  • Issued: 04/24/2018
  • Est. Priority Date: 03/22/2013
  • Status: Active Grant
First Claim
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1. A storage device comprising:

  • a nonvolatile memory configured to store data;

    a controller that controls an operation of the nonvolatile memory; and

    an interface including first and second input/output circuits that transmit and receive a signal with respect to a host device, the first and second input/output circuits being set on first hierarchy having the same communication function,wherein the first input/output circuit includes a first phy layer, the second input/output circuit includes a second phy layer, the interface includes a first link layer, an arbiter, and a first transport layer sequentially connected to the first phy layer, and the interface includes a second link layer, the arbiter, and a second transport layer sequentially connected to the second phy layer, and the arbiter controls connections between the first link layer and the first transport layer and between the second link layer and the second transport layer,wherein the arbiter issues a connection request to the host device through the second phy layer, when a connection is established between the first phy layer and the host device to which the second transport layer wants to transmit information,wherein when the connection request from the second phy layer to the host device is rejected from the host device, the second transport layer transmits information to the host device using the connection established between the first phy layer and the host device without making a retrial through the second phy layer.

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