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Data processing method, memory control circuit unit and memory storage device

A technology for data processing and control circuits, which is applied in the field of data processing and can solve problems such as increased time spent

Active Publication Date: 2015-11-25
PHISON ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, as the memory capacity increases, the total time it takes to correctly decode the data also increases

Method used

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  • Data processing method, memory control circuit unit and memory storage device
  • Data processing method, memory control circuit unit and memory storage device
  • Data processing method, memory control circuit unit and memory storage device

Examples

Experimental program
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Embodiment Construction

[0068] Generally speaking, a memory storage device (also called a memory storage system) includes a rewritable non-volatile memory module and a controller (also called a control circuit). Typically memory storage devices are used with a host system such that the host system can write data to or read data from the memory storage device.

[0069] figure 1 is a schematic diagram of a host system and a memory storage device according to an exemplary embodiment, and figure 2 It is a schematic diagram of a computer, an input / output device and a memory storage device according to an exemplary embodiment.

[0070] Please refer to figure 1, the host system 1000 generally includes a computer 1100 and an input / output (input / output, I / O for short) device 1106 . The computer 1100 includes a microprocessor 1102 , a random access memory (random access memory, RAM for short) 1104 , a system bus 1108 and a data transmission interface 1110 . The input / output device 1106 includes such as ...

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Abstract

The invention provides a data processing method, a memory control circuit unit and a memory storage device. The data processing method comprises the step of: reading a first data string from a first physical erasing unit according to a first reading command, wherein the first data string comprises first user data, first error detecting codes and first error checking codes. The data processing method also comprises the steps of: decoding the first user data by the first error detecting codes and the first error checking codes; and judging whether the first user data is correctly decoded or not. The data processing method also comprises the step of: if the first user data is successfully decoded, transmitting corrected user data obtained by correctly decoding the first user data to a host system for responding to the first reading instruction.

Description

technical field [0001] The present invention relates to a data processing method, and in particular to a data processing method for a rewritable non-volatile memory, a memory control circuit unit and a memory storage device. Background technique [0002] Digital cameras, mobile phones, and MP3 players have grown rapidly in recent years, making consumers' demand for storage media also increase rapidly. Since the rewritable non-volatile memory module (for example, flash memory) has the characteristics of data non-volatility, power saving, small size, and no mechanical structure, it is very suitable for being built into the above-mentioned various in portable multimedia devices. [0003] With the progress of the process and the reduction of cost, the storage capacity of the memory is greatly increased, but the reliability of the data is also reduced, so the error correction code is used to improve the reliability. Generally, when data is written into the rewritable non-volati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/10
Inventor 梁立群赖国欣施沛渝王天庆
Owner PHISON ELECTRONICS
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