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Data readout method and system for solid state disk

A technology for data readout and solid-state hard disk, applied in the field of storage, can solve problems such as inconvenience in actual use, and achieve the effect of reducing latency and improving read performance

Active Publication Date: 2012-01-18
RAMAXEL TECH SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To sum up, the existing technology for reading data from solid-state hard drives obviously has inconvenience and defects in actual use, so it is necessary to improve it.

Method used

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  • Data readout method and system for solid state disk
  • Data readout method and system for solid state disk
  • Data readout method and system for solid state disk

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0040] see figure 1 , the present invention provides a data readout system 100 of a solid-state hard disk, which includes:

[0041] The storage module 10 is used for storing data, and the storage module 10 preferably adopts FLASH as a basic storage unit.

[0042] The read control module 20 is used for reading data from the storage module 10 , and the read control module 20 is connected with the storage module 10 . Preferably, when the read control module 20 reads the data, the data is simultaneously sent to the error correction module 30 and the output control module 40 for processing.

[0043] ...

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Abstract

The invention discloses a data readout system for a solid state disk. The data readout system comprises a storage module for storing data and a reading control module for reading out the data from the storage module. The data readout system further comprises an error correction module, an output control module and a bus arbitration module, wherein the error correction module is used for receiving the data from the reading control module and performing error correction processing on the data; the output control module is used for receiving the data from the reading control module and controlling the output of the data; and the bus arbitration module is used for realizing requests of the error correction module and the output control module on accessing a bus and used for controlling the transmission of corrected data and uncorrected data. Accordingly, the data readout system disclosed by the invention can be used for effectively reducing delay in a reading operation process and increasing the readability of the solid state disk.

Description

technical field [0001] The invention relates to the field of storage technology, in particular to a data readout method and system of a solid-state hard disk. Background technique [0002] The error correction algorithm currently applied to solid-state hard disks is mainly the BCH algorithm. BCH encoding is performed before data is written into the solid-state hard disk storage unit to generate a BCH check code, and the data and the BCH check code are simultaneously written into the solid-state hard disk storage unit. When reading data, input the data to the BCH decoder for error correction operation, and at the same time buffer the read data into the cache unit; Read out for error correction, and output the corrected data to the system memory unit after the error correction is completed. [0003] The above-mentioned scheme design is the main design scheme adopted in the current solid-state hard disk. This scheme must wait for the data error correction to be completed befor...

Claims

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Application Information

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IPC IPC(8): G06F13/18G06F11/07
Inventor 朱从义刘伟贾宗铭张耀辉莫海锋
Owner RAMAXEL TECH SHENZHEN