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DATA STORAGE DEVICE USING HOST MEMORY BUFFER AND METHOD OF OPERATING THE SAME

  • US 20200133566A1
  • Filed: 07/09/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/24/2018
  • Status: Active Grant
First Claim
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1. A data storage device comprising:

  • a nonvolatile memory device configured to store an execution code that controls operations of the data storage device;

    a storage controller configured to upload and store the execution code from the nonvolatile memory device to a host memory buffer included in an external host device, and to download the execution code in realtime from the host memory buffer and execute the execution code downloaded from the host memory buffer; and

    a mapping controller configured to manage a mapping table including mapping relations between the execution code and host addresses of the host memory buffer at which the execution code is stored.

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