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TypeC double-blind-mating communication control circuit and control method

A communication control and circuit technology, applied in the direction of electrical digital data processing, instruments, etc., can solve the problems of inability to meet diversification, single configuration, and diversification of use requirements, so as to meet diverse needs, strong alternatives, and low cost. Effect

Pending Publication Date: 2022-05-13
深圳市新龙鹏科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In addition, most of the TypeC interface devices in the prior art are configured with a single function. For example, after a TypeC interface leaves the factory, it can only be used as a source for power supply, or for data transmission, and cannot be adjusted according to the specific situation of the user.
Such a configuration has some restrictions on the diverse usage needs of users, and cannot meet the diverse needs.

Method used

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  • TypeC double-blind-mating communication control circuit and control method
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  • TypeC double-blind-mating communication control circuit and control method

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Embodiment 1

[0065] The core of the present invention is to provide a TypeC double blind insertion communication control circuit, which realizes communication with two TypeC interfaces through a pair of CC pins. The type of communication equipment makes corresponding adjustments to the role of sink and source to meet the diverse needs of users and improve user experience.

[0066] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be made below in conjunction with the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, and Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0067] The preferred embodiment of...

Embodiment 2

[0095] The invention discloses a control method, please refer to Figure 6 , including a TypeC double blind insertion communication control circuit described in Embodiment 1, when the first TypeC interface module is inserted with a first communication device, the control method includes:

[0096] S1. Control the CC line to switch to the first TypeC interface module;

[0097] S2. Control the main control module to communicate with the power supply of the first communication device, and send a communication completion signal;

[0098] S3. Control the first communication device to initiate a first DP communication process, including:

[0099] S31. If there is a DP communication process, determine whether the second TypeC interface module has access to a second communication device; it can be understood that if there is a DP communication process, the first communication device is an electronic device such as a mobile phone, a computer game machine, etc. Entertainment devices; ...

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Abstract

The invention discloses a TypeC double-blind-mating communication control circuit and a control method. The circuit comprises a main control module, a power supply control module, an analog change-over switch module, a first TypeC interface module, a second TypeC interface module and a first switch control module. The power supply control module is used for power supply management control, the main control module is used for controlling the analog change-over switch module, and the analog change-over switch module is used for realizing CC line communication switching between the first TypeC interface module or the second TypeC interface module and the main control module. The first switch control module is used for realizing power line switch control on the first TypeC interface module or the second TypeC interface module; communication of the two TypeC interfaces is achieved through the pair of CC pins, the scheme substitutability is high, and the cost is low; and the two TypeC interfaces can correspondingly adjust the sink role and the source role according to the type of the inserted communication equipment, so that diversified requirements of a user are met, and the user experience is high.

Description

technical field [0001] The invention relates to the technical field of TypeC blind insertion control, in particular to a TypeC double blind insertion communication control circuit and a control method. Background technique [0002] As the latest type of USB interface, the TypeC interface will obviously become the standard for future interfaces. The most notable feature of the TypeC interface that is different from other interfaces is that it not only supports bidirectional transmission of power, but also supports transmission of audio and video and high-speed USB signals, but for audio and video transmission or power transmission, a dedicated communication interface with two pairs of CC is required chip to realize protocol communication. But now there are few solutions that can achieve double blind insertion in the market, and most MCUs with CC communication only have one set of CC pins. In addition, when hardware resources are in short supply, alternative solutions that c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/42
CPCG06F13/4282
Inventor 李小明孙铭梁陈斌李振宇
Owner 深圳市新龙鹏科技有限公司