Serial flash write operation method and serial flash

Active Publication Date: 2017-11-28
SEMICON MFG INT (SHANGHAI) CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For serial flash memory, each write operation requires the controller to transmit the instruction code, address and data once, and multiple write operations need to transmit the instruction code, address and data multiple times, which is a waste of time

Method used

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  • Serial flash write operation method and serial flash
  • Serial flash write operation method and serial flash
  • Serial flash write operation method and serial flash

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Embodiment Construction

[0021] In the following description, numerous specific details are given in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these details. In other examples, some technical features known in the art are not described in order to avoid confusion with the present invention.

[0022] It should be understood that the invention can be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0023] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the / the" are intended to include...

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Abstract

The invention provides a serial flash write operation method and a serial flash. The method includes the step of conducting write operation multiple times on the basis of a to-be-written instruction, a to-be-written address and to-be-written data which are transmitted at a time. By means of the method and the serial flash, the to-be-written instruction, the to-be-written address and the to-be-written data can be prepared at a time for multiple times of write operation instead of being prepared once during each time of write operation, the time for preparing the address and the data is saved, and rapid write operation is realized.

Description

technical field [0001] The present invention relates to the technical field of serial memory, in particular to a method for writing operation of serial flash memory and the serial flash memory. Background technique [0002] At present, the non-volatile memory chip with flash memory (flash memory) as the mainstream is an indispensable part in the embedded system, and the flash memory undertakes the important mission of storing embedded system software and user data. The non-volatile flash memory chip ensures that the software and user data can be stable for a long time after power failure. Compared with disks, flash memory has the advantages of high read and write performance, shock resistance, low power consumption, and small package size. Flash memory is the best choice for non-volatile storage solutions in almost all embedded systems due to its rich variety and low cost. [0003] Based on performance requirements, flash memory has different structures, such as using NOR-...

Claims

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Application Information

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IPC IPC(8): G06F3/06
CPCG06F3/061G06F3/0638G06F3/0679
Inventor 程昱郑晓赵子鉴
Owner SEMICON MFG INT (SHANGHAI) CORP
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