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Device and method for separated storage of data

A data separation and data technology, applied in the direction of memory address/allocation/relocation, etc., can solve the problem of increasing processor and memory resources

Active Publication Date: 2015-01-14
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This leads to the need to increase the resources required by the processor and memory when rewriting data when designing and producing storage devices that use NAND Flash as the memory.

Method used

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  • Device and method for separated storage of data
  • Device and method for separated storage of data

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the drawings.

[0025] figure 1 The connection mode of the data separation storage device according to an embodiment of the present invention is schematically shown. In this embodiment, the hardware of the device for data separation and storage includes a data management unit 1, and an acquisition module 3 respectively connected to the data management unit 1, which is non-volatile and supports writing and erasing data in bytes. 的 first storage module 4, non-volatile second storage module 5, power supply module 2. Among them, the power module 2 is used to directly or indirectly provide power to each module in the device for data separation storage, the acquisition module 3 is used to input the data to be stored into the data management unit 1, and the data management unit 1 is used to perform Logical management, judging whether the data to be stored needs to be rewritten after the storage is completed...

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Abstract

Disclosed are a device and a method for separated storage of data. The device comprises a data management unit, a collection module connected to the data management unit, a nonvolatile first storage module supportive of writing in and wiping of the data by taking byte as a unit, and a nonvolatile second storage module, the collection module is used for inputting to-be-stored data into the data management unit, and the data management unit is used for judging whether the to-be-stored data need to be rewritten after being stored, storing the to-be-stored data into the first storage module if yes and storing the to-be-stored data into the second storage module if not. When the device is used for data rewriting, needed processor and memory resources in the data management unit are few.

Description

Technical field [0001] The invention relates to a data storage technology, in particular to a device for data separation and storage and a method for data separation and storage. Background technique [0002] In the field of railway systems, storage devices that support power-down storage need to store a huge amount of data that does not need to be rewritten after the storage is completed and a certain amount of data that needs to be rewritten after the storage is completed. The data is to be stored. This requires the storage device to have a very large capacity, and the storage module in the memory is a non-volatile storage module. The data to be stored is stored in the form of a binary string. The storage module and the processor in the storage device generally transfer data through eight data lines, and only one byte of data can be transmitted between the processor and the storage module at a time. The non-volatile memory here refers to the memory that can maintain the inter...

Claims

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Application Information

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IPC IPC(8): G06F12/02
Inventor 郑鸿昌王业流张舒晋付雪飞冯亮胡嗣钦吴笑馨张艳
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD