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Data storage system and method

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

Active Publication Date: 2022-05-13
AUTOCHIPS WUHAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to 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 used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the embodiments of the present inventi...

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Abstract

The invention provides a data storage system and method. The system comprises a first memory, a second memory and a controller, the first memory is used for storing first data or second data; the first data is first storage data, and the second data comprises the first storage data and a second error correction code corresponding to the second storage data; the second memory is used for storing third data or fourth data; the third data is second storage data, and the fourth data comprises the second storage data and a first error correction code corresponding to the first storage data; and the controller is also used for controlling data writing and data reading of the first memory and / or the second memory. The development difficulty of the data storage system is reduced while the read-write efficiency of the data storage system is ensured.

Description

technical field [0001] The 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 fully guarantee the reliability of 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 stored in the data storage system during use, an Error Correcting Code (ECC) scheme is proposed to automatically normalize and correct errors that occur during data transmission. [0003] There are two types of ECC schemes in the prior art, one is sideband ECC, and the other is inline ECC. In the sideband ECC scheme, 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, 32-bit data ECC requires 39-bit memory width. The inline ECC scheme has a fixed ...

Claims

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Application Information

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IPC IPC(8): G06F11/10G06F3/06
CPCG06F11/1044G06F3/0614G06F3/061
Inventor 叶玉成
Owner AUTOCHIPS WUHAN CO LTD
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