MEMORY SYSTEM AND METHOD OF CONTROLLING MEMORY SYSTEM
First Claim
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1. A memory system comprising:
- a nonvolatile memory; and
a controller configured to control the nonvolatile memory, whereinthe controller is configured toperform a process corresponding to a second command when the second command is received from a host device before a first time passes after an end of processing corresponding to a first command received from the host device, andexecute patrol read to read data stored in the nonvolatile memory continuously in predetermined units when no command is received from the host device before the first time passes.
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Abstract
According to an embodiment, a controller performs a process corresponding to processing of a second command when the second command is received from a host device before a first time passes after an end of processing corresponding to a first command received from the host device, and executes patrol read to read data stored in a nonvolatile memory continuously in predetermined units when no command is received from the host device before the first time passes.
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Citations
17 Claims
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1. A memory system comprising:
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a nonvolatile memory; and a controller configured to control the nonvolatile memory, wherein the controller is configured to perform a process corresponding to a second command when the second command is received from a host device before a first time passes after an end of processing corresponding to a first command received from the host device, and execute patrol read to read data stored in the nonvolatile memory continuously in predetermined units when no command is received from the host device before the first time passes. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of controlling a memory system including a nonvolatile memory, the method comprising:
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performing a process corresponding to a second command when the second command is received from a host device before a first time passes after an end of processing corresponding to a first command received from the host device, and executing patrol read to read data stored in the nonvolatile memory continuously in predetermined units when no command is received from the host device before the first time passes. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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Specification