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Single-chip microcomputer equivalent replacement method of universal information button and communication method

A communication method and a single-chip technology, which are applied in the field of effective replacement and can solve the problems of information button key loss and the like

Inactive Publication Date: 2020-10-23
CHANGZHOU COLLEGE OF INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, the key of the information button is often lost due to factors such as personnel flow, or the equipment parts containing the information button are replaced for the convenience of equipment testing. Therefore, a relatively simple method must be adopted to retrieve the key of the information button, which is equivalent to Replace missing information buttons to avoid unnecessary loss

Method used

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  • Single-chip microcomputer equivalent replacement method of universal information button and communication method
  • Single-chip microcomputer equivalent replacement method of universal information button and communication method
  • Single-chip microcomputer equivalent replacement method of universal information button and communication method

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Embodiment Construction

[0015] In order to deepen the understanding of the present invention, the present invention will be further described below in conjunction with examples, which are only used to explain the present invention and do not constitute a limitation to the protection scope of the present invention.

[0016] like Figure 1-3 As shown, this embodiment provides a single-chip microcomputer equivalent replacement method for a general-purpose information button, including the following steps: (1) build a single-chip communication system, and establish a connection circuit between the control machine host and the single-chip; Section array data structure and pre-store the lithography serial number of 1-wireEEPROM chip; (3) Open up an array data structure with a specific capacity in the microcontroller to store EEPROM data, which is used to write fixed values ​​at the beginning of the microcontroller or dynamically during operation Write the data sent by the host. In step 1, the controller h...

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Abstract

The invention aims to provide a single-chip microcomputer equivalent replacement method of a universal information button and a communication method, being characterized by constructing a single-chipmicrocomputer communication system, configuring related parameters in single-chip microcomputer software for different types of information buttons, utilizing a single-chip microcomputer to simulate an information button 1-wireEEPROM chip, solving the problem that photoetching cannot be copied, achieving two-way communication and conversation with a host successfully, completing equivalent replacement of the information buttons, and achieving communication with a controller host.

Description

technical field [0001] The invention relates to the technical field of 1-wire electronic design of identity identification, in particular to a single-chip microcomputer equivalent replacement method and a communication method for a general-purpose information button. Background technique [0002] The information button is an EEPROM (Read-only ProgrammableErasable Electrically) chip that follows the 1-wire single-bus communication protocol. Used in automotive, telecommunications, medical, industrial and personal computer fields such as identification, device dongles, storage of critical information or control of security functions. [0003] Nowadays, the key of the information button is often lost due to factors such as personnel flow, or the equipment parts containing the information button are replaced for the convenience of equipment testing. Therefore, a relatively simple method must be adopted to retrieve the key of the information button, which is equivalent to Replace...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/24G06F13/40
CPCG06F13/24G06F13/4068
Inventor 翟文正
Owner CHANGZHOU COLLEGE OF INFORMATION TECH
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