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NAND Flash control method and device and SSD (Solid State Drive)

A control method and technology of a control device, applied in the field of NAND Flash, can solve the problems of low efficiency of NAND Flash, achieve the effect of reducing occupancy rate and improving efficiency

Active Publication Date: 2018-06-22
HUNAN GOKE MICROELECTRONICS
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a NAND Flash control method, device and SSD to solve the problem of low efficiency of traditional NAND Flash when performing read and write operations

Method used

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  • NAND Flash control method and device and SSD (Solid State Drive)
  • NAND Flash control method and device and SSD (Solid State Drive)
  • NAND Flash control method and device and SSD (Solid State Drive)

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Embodiment Construction

[0022] The application will be described in detail below in conjunction with the accompanying drawings.

[0023] see figure 1 A method flowchart of an embodiment of the NAND Flash control method provided by the application, such as figure 1 As shown, the method includes:

[0024] S101. Determine an initial command template table for NAND Flash read and write instructions, where different templates in the command template table correspond to different command types, initial addresses, and particle information.

[0025] When the reading and writing of the system are converted into reading and writing under the interface defined by NAND particles, it will be accompanied by a lot of complicated and repetitive configuration work. Some command sets stipulated by the NAND Flash interface protocol belong to a fixed mode, which will occupy a large amount of CPU resources, reducing system performance. In the embodiment of the present application, all initial parameters in the NAND Fl...

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Abstract

The embodiment of the application discloses an NAND Flash control method and device and an SSD (Solid State Drive). The method includes: determining an initial command template table of NAND Flash reading / writing instructions, wherein different templates in the command template table correspond to different command types, initial addresses and particle information; calling a corresponding commandtemplate in the command template table according to an initial address parameter in acquired instruction information; and configuring key information of the instruction information into the command template to complete an instruction operation. The command templates corresponding to different reading / writing instruction information are configured in the command template table, when acquired reading or writing instructions need to be executed, corresponding command templates in the command template table are matched according to initial address parameters of the different instructions, the problem that initial parameters need to be repeatedly configured to execute different instructions is avoided, an occupancy rate of a CPU is decreased, and efficiency of NAND Flash reading / writing operations is improved.

Description

technical field [0001] The present application relates to the field of memory technology, in particular to a NAND Flash control method, device and NAND Flash. Background technique [0002] A memory system is mainly composed of an application layer master control, a data cache device, a storage controller and a storage device. If the storage device is to be accessed in the storage system, a hardware controller is required to convert the operation instructions of the application layer master into the command set defined by the physical layer of the storage device. As a common storage device, NAND Flash has the advantages of large capacity, fast rewriting speed, and low data loss. It is suitable for large-scale data storage and has been more and more widely used in the industry. [0003] In a system, when reading and writing NAND Flash, a hardware controller is needed to convert the reading and writing of the system into reading and writing under the interface defined by the N...

Claims

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Application Information

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IPC IPC(8): G11C7/10
CPCG11C7/1015G11C7/103
Inventor 殷涛彭鹏姜黎
Owner HUNAN GOKE MICROELECTRONICS
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