Invention Grant
- Patent Title: Data reading and writing processing from and to a semiconductor memory and a memory of a host device by using first and second interface circuits
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Application No.: US18146237Application Date: 2022-12-23
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Publication No.: US11868618B2Publication Date: 2024-01-09
- Inventor: Atsushi Kunimatsu , Kenichi Maeda
- Applicant: KIOXIA CORPORATION
- Applicant Address: JP Tokyo
- Assignee: KIOXIA CORPORATION
- Current Assignee: KIOXIA CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP 11168368 2011.08.01 JP 11252001 2011.11.17
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F3/06 ; G06F12/10 ; G06F11/14 ; G06F12/02 ; G06F13/28 ; G06F12/1081 ; G06F12/1027
Abstract:
A device includes a host including a main memory, and semiconductor memory including a nonvolatile semiconductor memory, memory unit, and controller. The nonvolatile semiconductor memory stores first address information. The memory unit stores second address information as part of the first address information. The controller accesses the nonvolatile semiconductor memory based on the second address information. Third address information is stored in the main memory, and is part or all of the first address information. The controller uses the third address information when accessing the nonvolatile semiconductor memory if address information to be referred is not stored in the second address information.
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