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Dynamic storage method of Flash memory

A technology of dynamic storage and memory, which is applied in the field of memory storage and dynamic storage of Flash memory, which can solve the problems of low utilization rate of Flash storage space, achieve the effects of improving safety and reliability, increasing life, and increasing read and write speed

Active Publication Date: 2009-06-03
HISENSE BROADBAND MULTIMEDIA TECH
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the above-mentioned deficiencies in the Flash static storage method in the prior art, and provides a dynamic storage method of the Flash memory, which effectively solves the technical problem of the low utilization rate of the Flash storage space in the static storage method

Method used

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  • Dynamic storage method of Flash memory
  • Dynamic storage method of Flash memory
  • Dynamic storage method of Flash memory

Examples

Experimental program
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Embodiment Construction

[0039] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0040] see figure 2 Shown is a flow chart of an embodiment of the flash memory dynamic storage method of the present invention. The flow of the dynamic storage method is as follows:

[0041] S101: the process starts.

[0042] S102: Divide the Flash storage space into several logical partitions, each logical partition includes one or more continuous physical blocks, and each partition can be used to store data records of one or more data types.

[0043] The data record refers to a character string of char type. For example, a piece of program information can be regarded as a data record; all system configuration information can also be regarded as a data record. In the dynamic storage method, the Flash memory uses the data record as a basic unit to perform data read and write operations.

[0044] S103: Take the storage space occupied by each data record a...

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Abstract

The invention discloses a dynamic storage method of a Flash memory, which comprises the following steps: a. the Flash storage space is divided into a plurality of logical partitions, and the logical partitions can memory at least one type of data record; b. the storage space held by each piece of data record is taken as a virtual sector, and a virtual sector distribution list is arranged for each virtual sector; and c. the data record is read at one terminal of the logical partition in sequence, and the virtual sector distribution list corresponding to the data record is read at the other terminal of the logical partition in sequence; therefore, the dynamic storage method effectively solves the technical problem of low utilization rate of the Flash storage space in the static storage method.

Description

technical field [0001] The invention relates to a storage method of a memory, in particular to a dynamic storage method of a Flash memory, and belongs to the technical field of memory. Background technique [0002] As a storage medium, Flash is widely used in the storage field. The physical structure of Flash is divided into several physical blocks (blocks), which are independent of each other. It has the following characteristics: (1) Since the write operation of Flash can only write data bits from 1 to 0, it cannot write from 0 to 1, so the erase operation must be performed before writing to the flash memory, and the pre-written data bit is initialized to 1, and the minimum unit of the erase operation is a block, not a single byte; (2) Flash The erasing and writing life of the Flash has a limit on the number of times; (3) During the use of the Flash, some blocks may be damaged, and once the block is damaged, it will not be repaired; (4) Due to the inherent electrical char...

Claims

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Application Information

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IPC IPC(8): G06F12/02G06F11/10
Inventor 田友强
Owner HISENSE BROADBAND MULTIMEDIA TECH
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