Memory controller configured to transmit interrupt signal if volatile memory has no data corresponding to address requested from source

Memory controller configured to transmit interrupt signal if volatile memory has no data corresponding to address requested from source

According to one embodiment, a memory device includes a nonvolatile memory, a volatile memory, a controller, and a board. The nonvolatile memory stores data. The volatile memory holds a part of the data stored in the nonvolatile memory. The memory controller controls the volatile memory and the nonv...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kondo, Nobuhiro, Sawamura, Shoji, Maeda, Kenichi, Fujisawa, Toshio, Kunimatsu, Atsushi
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:According to one embodiment, a memory device includes a nonvolatile memory, a volatile memory, a controller, and a board. The nonvolatile memory stores data. The volatile memory holds a part of the data stored in the nonvolatile memory. The memory controller controls the volatile memory and the nonvolatile memory. The nonvolatile memory, the volatile memory, and the memory controller are provided on the board. The memory controller transmits an interrupt signal to a request source, when the volatile memory does not have any data corresponding to an address which the request source requests to access.