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Self-adaptive single-wire asynchronous communication circuit, communication method and device

An asynchronous communication and adaptive technology, applied in the field of communication, can solve the problem of inability to communicate directly

Pending Publication Date: 2021-02-26
CHENGDU BOSIWEI TECH CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0004] The main purpose of the present invention is to provide an adaptive single-wire asynchronous communication circuit, communication method and device, aiming to solve the problem in the prior art that digital logic interfaces with different power supply voltages cannot communicate directly, and realize different power supply voltage interfaces and the same power supply Send and receive data between voltage interfaces to improve communication efficiency and ensure communication quality

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  • Self-adaptive single-wire asynchronous communication circuit, communication method and device
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  • Self-adaptive single-wire asynchronous communication circuit, communication method and device

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Embodiment Construction

[0027] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. 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.

[0029] In this embodiment, an adaptive single-wire asynchronous communication circuit, communication method and device are characterized in that:

[0030] Including a sending end: the sending end is composed of a sending data generation module and a voltage-current conversion module;

[0031...

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Abstract

The invention discloses a self-adaptive single-wire asynchronous communication circuit, a communication method and a communication device. The self-adaptive single-wire asynchronous communication circuit comprises a sending end and a receiving end, and the sending end is composed of a sending data generation module and a voltage-current conversion module; and the receiving end consists of a current-voltage conversion module and a received data processing module. The sending data generation module is used for generating signal sequences with different widths; the voltage-current conversion module converts the level signal generated by the sending data generation module into a current signal and sends out the current signal; the current-voltage conversion module converts the current into a corresponding voltage; and the received data processing module processes the received data so as to realize asynchronous communication between the level power supplies. The invention aims to solve theproblem that digital logic interfaces with different power supply voltages in a multi-power supply system cannot directly communicate with each other, and realizes mutual data sending or receiving ofa low power supply voltage interface and a high power supply voltage interface.

Description

technical field [0001] The invention relates to the communication field, in particular to an adaptive single-wire asynchronous communication circuit, a communication method and a device. Background technique [0002] In a multi-power supply system, the digital logic control interfaces of different power supply voltages cannot communicate directly, and level conversion is required. In addition, for digital logic control interfaces with the same power supply voltage, SPI interface, I2C interface or CMOS parallel port are used to communicate in the form of voltage signal transmission, and data and clock must be sent and received synchronously at the same time. To sum up, it is really necessary to develop an adaptive single-wire asynchronous communication circuit, communication method and device, to solve the problem of inability to communicate directly between digital logic interfaces with different power supply voltages in a multi-power supply system, and to realize a low powe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C19/00
CPCG08C19/00
Inventor 辜波
Owner CHENGDU BOSIWEI TECH CO LTD
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