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Data storage system and method

A technology of data storage system and data storage area, applied in the field of memory, to ensure the efficiency of reading and writing, and reduce the cost of implementation

Active Publication Date: 2022-07-12
AUTOCHIPS WUHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, it is necessary to provide a data storage system and method to solve the problems existing in the prior art that cannot ensure the read and write efficiency of the data storage system while avoiding the expansion of the memory bit width to reduce the development of the data storage system. Difficult technical issues

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  • Data storage system and method

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Embodiment Construction

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

[0039] In the description of the present invention, it should be understood that the terms "first" and "second" are only used for description purposes, and cannot be interpreted as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the embodiments of the present invention, unless otherwise spe...

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Abstract

The present invention provides a data storage system and method. The system includes: a first memory, a second memory and a controller; the first memory is used to store the first data or the second data; the first data is the first stored data, The second data includes the first storage data and the second error correction code corresponding to the second storage data; the second memory is used to store the third data or the fourth data; the third data is the second storage data, and the fourth data includes the first storage data. 2. Stored data and a first error correction code corresponding to the first stored data; the controller is further configured to control data writing and data reading of the first memory and / or the second memory. The invention reduces the development difficulty of the data storage system while ensuring the read-write efficiency of the data storage system.

Description

technical field [0001] The present invention relates to the technical field of memory, in particular to a data storage system and method. Background technique [0002] The current data storage system will more or less fail during use, and cannot completely guarantee the reliability of the stored data. Data read and write errors may occur, which will affect the reliable operation of the system. In order to improve the reliability of data storage system during use, an error correction code (Error Correcting Code, ECC) scheme is proposed to automatically normalize and correct after errors occur during the transmission of stored data. [0003] There are two ECC schemes in the prior art, one is sideband ECC and the other is inline ECC. In the sideband ECC scheme, the ECC is sent to the memory as sideband data together with actual data. For example, for a 32-bit data width, 7 additional bits are used for ECC storage. Therefore a 32-bit data ECC requires a 39-bit memory width. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/10G06F3/06
CPCG06F11/1044G06F3/0614G06F3/061
Inventor 叶玉成
Owner AUTOCHIPS WUHAN CO LTD
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