NONVOLATILE STORAGE DEVICE, MEMORY CONTROL DEVICE, AND MEMORY CONTROL METHOD

To provide a nonvolatile storage device capable of reducing the number of times of executing refresh processes with simple configuration and process.SOLUTION: An address setting portion 64 sets a logical page address of a logical page to be written to each physical page of a block to be written by s...

Full description

Saved in:
Bibliographic Details
Main Authors KUO NAI-PING, TAMAGAWA YUKO, YE YU ZHI
Format Patent
LanguageEnglish
Japanese
Published 31.10.2019
Subjects
INFORMATION STORAGE
PHYSICS
STATIC STORES
Online AccessGet full text

Cover

More Information
Summary:To provide a nonvolatile storage device capable of reducing the number of times of executing refresh processes with simple configuration and process.SOLUTION: An address setting portion 64 sets a logical page address of a logical page to be written to each physical page of a block to be written by shifting a correspondence between the logical page address and the physical page address in a block to be read by a predetermined shift amount, and defining the correspondence between the logical page address and the physical page address in the block to be written.SELECTED DRAWING: Figure 12 【課題】簡易な構成及び処理によってリフレッシュ処理の実行回数を削減することが可能な、不揮発性記憶装置を得る。【解決手段】アドレス設定部６４は、読出対象ブロックにおける論理ページアドレスと物理ページアドレスとの対応関係を所定のシフト量だけシフトすることによって、書込対象ブロックにおける論理ページアドレスと物理ページアドレスとの対応関係を規定することにより、書込対象ブロックの各物理ページに書き込む論理ページの論理ページアドレスを設定する。【選択図】図１２
Bibliography:Application Number: JP20180082594