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Data write-in method, storage controller and storage device

A technology for memory controller and data writing, which is applied in static memory, read-only memory, information storage, etc., and can solve problems such as timeout and prolonging the execution time of writing instructions

Active Publication Date: 2012-07-04
PHISON ELECTRONICS
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  • Claims
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AI Technical Summary

Problems solved by technology

Because the execution of the data merging program will greatly prolong the execution time of the write command, and even cause a timeout

Method used

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  • Data write-in method, storage controller and storage device
  • Data write-in method, storage controller and storage device
  • Data write-in method, storage controller and storage device

Examples

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Embodiment Construction

[0077] Generally speaking, a memory storage device (also called a memory storage system) includes an erasable non-volatile memory module and a controller (also called a control circuit). Typically memory storage devices are used with a host system so that the host system can write data to or read data from the memory storage device.

[0078] Figure 1A A host system and a memory storage device are shown according to an exemplary embodiment of the present invention.

[0079] Please refer to Figure 1A , the host system 1000 generally includes a computer 1100 and an input / output (input / output, I / O) device 1106 . The computer 1100 includes a microprocessor 1102 , a random access memory (random access memory, RAM) 1104 , a system bus 1108 and a data transmission interface 1110 . The input / output device 1106 includes such as Figure 1B mouse 1202, keyboard 1204, monitor 1206 and printer 1208. It is important to understand that Figure 1B The devices shown are not limited to the...

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Abstract

The invention provides a data write-in method, a storage controller and a storage device. The method is used for writing updated data from a host computer into a storage module, wherein an entity unit of the storage module can be extracted to be used as an all-field confusion entity unit for writing in data from the host computer. The method comprises the following steps of: judging whether the updated data are sequential data; judging whether a logical page corresponding to the updated data is a starting logical page; if the updated data are the sequential data and the logical page corresponding to the updated data is the starting logical page, extracting an empty entity unit as a new all-field confusion entity unit, and writing the updated data into the new all-field confusion entity unit. On the basis, the updated data belonging to the same logical unit are written into the same entity unit by using the method so that the time for executing a write-in instruction is shortened.

Description

technical field [0001] The invention relates to a data writing method for erasable non-volatile memory, a memory controller and a memory storage device using the method. Background technique [0002] The rapid growth of digital cameras, mobile phones and MP3 in recent years has led to a rapid increase in consumer demand for storage media. Since rewritable non-volatile memory (rewritable non-volatile memory) has the characteristics of non-volatile data, power saving, small size, no mechanical structure, and fast read and write speed, it is most suitable for portable electronic products, such as notebooks computer. A solid state drive is a memory storage device that uses fast memory as a storage medium. Therefore, the fast memory industry has become a very popular part of the electronics industry in recent years. [0003] The memory sub-module of the fast memory module has a plurality of physical units and each physical unit block has a plurality of physical pages (physical...

Claims

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Application Information

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IPC IPC(8): G11C16/06
Inventor 叶志刚
Owner PHISON ELECTRONICS
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