MEMORY CONTROLLER, NON-VOLATILE STORAGE DEVICE, NON-VOLATILE STORAGE SYSTEM, AND MEMORY CONTROL METHOD

MEMORY CONTROLLER, NON-VOLATILE STORAGE DEVICE, NON-VOLATILE STORAGE SYSTEM, AND MEMORY CONTROL METHOD

A memory controller includes an address converter configured to convert an address designated by a host device for writing and reading into a physical address of a non-volatile memory, and an invalid-area manager configured to manage an invalid area of the non-volatile memory, the address converter...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: SUTO, Masato, SO, Hirokazu, KOGITA, Shigekazu, HONDA, Toshiyuki
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A memory controller includes an address converter configured to convert an address designated by a host device for writing and reading into a physical address of a non-volatile memory, and an invalid-area manager configured to manage an invalid area of the non-volatile memory, the address converter making no reference to the invalid area, and, upon receipt of an invalid-data read command from the host device, data in the invalid area, managed by the invalid-area manager, of the non-volatile memory is output to the host device.