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MEMORY CONTROLLER, NONVOLATILE MEMORY DEVICE, ACCESS DEVICE, AND NONVOLATILE MEMORY SYSTEM

  • US 20100017560A1
  • Filed: 09/11/2007
  • Published: 01/21/2010
  • Est. Priority Date: 09/13/2006
  • Status: Abandoned Application
First Claim
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1. A memory controller which is connected to a nonvolatile memory having a plurality of physical blocks of a data erasing unit, and writes and reads data to and from said nonvolatile memory in accordance with a file ID designated from an outside, comprising:

  • at least two external interfaces;

    a capacity parameter generation part for generating a capacity parameter related to a remaining capacity of said nonvolatile memory in writing data to said nonvolatile memory and deleting data in said nonvolatile memory via one of said external interfaces and in initialization; and

    a capacity parameter notification part for retaining the capacity parameter generated by said capacity parameter and notifying the outside of the capacity parameter via at least the other external interface.

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