NAND Flash access operation method, apparatus and system

A technology for accessing operations and templates, applied in static memory, instruments, information storage, etc., can solve problems such as slow access speed

Active Publication Date: 2018-06-15
HUNAN GOKE MICROELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention provides a NAND Flash access operation method, device and system to solve the problem that the access speed of the existing NAND Flash access operation method is relatively slow

Method used

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  • NAND Flash access operation method, apparatus and system
  • NAND Flash access operation method, apparatus and system
  • NAND Flash access operation method, apparatus and system

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Embodiment Construction

[0039] In the process of accessing the NAND Flash memory, although the management and access of the NAND Flash memory can be realized through the division of software and hardware functions, from the perspective of the software application layer, the atoms operated by the software application layer are predefined instructions. Instructions are connected in series to complete a NAND Flash access operation such as reset, read, write, erase, etc. Therefore, the software application layer still needs to manage a large number of Flash operation instructions, which is not conducive to management and maintenance. In addition, since multiple predefined instructions are connected in series to complete a NAND Flash operation, the software application layer needs to issue instructions frequently, which greatly increases the access time of NAND and reduces the performance of the NAND Flash controller, thereby making the access to the NAND Flash memory faster. reduce.

[0040] In view of ...

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Abstract

The invention provides an NAND Flash access operation method, apparatus and system. According to the method, an operation atom of a software application layer is pre-defined as an instruction sequence; according to the instruction sequence, an instruction template is pre-defined; and according to the instruction template, an instruction sequence template is established. An instruction decoding module analyzes the instruction sequence after receiving the instruction sequence, and calls the instruction sequence template of current NAND operation. The called instruction sequence template is analyzed and reconstructed to realize that hardware automatically analyzes and sends the instruction sequence, so that frequent sending of software instructions is reduced and the speed of accessing an NAND Flash memory is increased. The instruction template is defined, so that repeated sending of repeated instructions of software can be reduced; and the hardware automatically analyzes a template sending instruction, so that the operation instruction set management work of the software is reduced, the NAND access speed is increased, and the NAND Flash operation performance is improved.

Description

technical field [0001] The present invention relates to the field of access operation technology, in particular to a NAND Flash access operation method, device and system. Background technique [0002] NAND Flash memory is a kind of non-volatile memory in Flash memory, which can still save the stored information when the power is cut off. NAND Flash memory has the advantages of high storage density and much faster rewriting speed than hard disks. It is suitable for storing large amounts of data and has been more and more widely used in the industry. [0003] When NAND Flash memory is used, special system interface and complex Flash management are required, so it is difficult to apply NAND Flash memory. In order to facilitate the management and operation of NAND Flash memory, a hardware controller--NAND Flash controller (English name: NAND Flash Controller) is usually required as a system interface, so that the system's operation on NAND Flash memory can be translated into N...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11C5/14G11C16/14G11C16/26
CPCG11C5/148G11C16/14G11C16/26
Inventor 汪再金彭鹏姜黎
Owner HUNAN GOKE MICROELECTRONICS
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