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Storage method and storage system

A storage system and storage method technology, applied in the field of information storage, can solve the problems of lack of flexibility, inapplicable chip unique identification code storage, single storage method, etc., to achieve the effect of avoiding single, avoiding storage methods, and avoiding inaccuracy

Active Publication Date: 2020-12-22
SHANGHAI ANLOGIC INFOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, this invention patent is applicable to the error scenario of sudden error, not applicable to the storage of the unique identification code of the chip, and the storage method is single, lacks flexibility, and cannot meet the needs of different usage scenarios

Method used

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  • Storage method and storage system

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. As used herein, "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other el...

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Abstract

The invention provides a storage method, which comprises a storage step and a reading step. The storage step comprises the steps of selecting a storage mode and then sending mode information; according to the mode information, carrying out burning check calculation on the unique identification code to generate an original check code, and then storing the unique identification code and the originalcheck code, so as to avoid the single storage mode. the reading step comprises the steps of reading the unique identification code and the original check code, and then performing reading check calculation on the unique identification code to obtain a new check code; and comparing the new check code with the original check code, if the new check code is different from the original check code, correcting the unique identification code according to the original check code, and then outputting the corrected unique identification code, thereby avoiding inaccuracy caused by damage of the unique identification code. The invention also provides a storage system for realizing the storage method.

Description

technical field [0001] The invention relates to the technical field of information storage, in particular to a storage method and a storage system. Background technique [0002] The unique identification code of the chip is widely used in the integrated circuit industry to individually number each material produced. During the use of the chip, the unique identification code of the chip can be traced back to the production, manufacturing and testing of the chip. The whole process data allows users to quickly locate and filter the range that needs to be controlled. [0003] One-time programmable memory (One Time Programmable, OTP) is generally implemented by an electric programming fuse circuit, which can burn the unique identification code of the chip at one time. After the burning is completed, it cannot be rewritten again, thereby ensuring the uniqueness of the unique identification code. and tamper resistance. [0004] However, there are certain problems in the existing ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/10
CPCG06F11/1012G06F11/1068
Inventor 陈珊袁智皓王韬
Owner SHANGHAI ANLOGIC INFOTECH CO LTD