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USB OTG device, electronic unit and OTG function implementation method

A technology of electronic equipment and functions, applied in the field of communication, can solve the problems of small modifiability and increased complexity of OTG functions, and achieve the effect of increasing modifiability and reducing complexity

Active Publication Date: 2013-12-25
RUIJIE NETWORKS CO LTD
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Problems solved by technology

[0004] However, the modifiability of the OTG function in the prior art is small, which increases the complexity of implementing the OTG function on different USB controllers

Method used

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  • USB OTG device, electronic unit and OTG function implementation method
  • USB OTG device, electronic unit and OTG function implementation method
  • USB OTG device, electronic unit and OTG function implementation method

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Embodiment Construction

[0021] In order to make the purpose, technical solutions and advantages of the embodiments 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 drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0022] figure 1 A schematic structural diagram of an embodiment of the USB OTG device provided by the present invention, as figure 1 As shown, the USB OTG device 100 of the present embodiment includes: a USB host module 110, an OTG module 120, a USB peripheral module 130 and a USB controller independently arranged with respect to the USB host mod...

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Abstract

The invention provides a USB OTG device, an electronic unit and an OTG function implementation method. The USB OTG device comprises a USB host module, an OTG module, a USB peripheral module and a USB controller drive module which is independent of the USB host module, the OTG module and the USB peripheral module. The USB master module is used for providing function support for an OTG function at a USB host. The USB peripheral module is used for providing function support for the OTG function at a USB peripheral. The OTG module is used for implementing the OTG function on the basis of function support for the USB host module and the USB peripheral module. The USB controller drive module is used for providing controller drive to implement the OTG function. The technical scheme has the advantages that the OTG function can be more correctable and implementation of the OTG function on different USB controllers is easier.

Description

technical field [0001] The invention relates to communication technology, in particular to a USB OTG device, electronic equipment and a method for realizing the OTG function. Background technique [0002] The Universal Serial Bus (USB for short) is a general interface for data exchange. The Universal Serial Bus Implementers Forums (USB IF for short) has developed the USB OTG (On-The-Go) The specification, the USB OTG specification is a supplement to the USB2.0 specification. An OTG product is a portable device that uses a single dual-role socket (Mini-AB socket or Micro-AB socket, not other USB sockets). When an OTG-supporting device is connected to an ordinary USB device, the OTG-supporting device acts as the host, and the ordinary USB device acts as a peripheral; when two OTG-supporting devices are connected, the plugs at both ends of the USB cable (A-plug and B- plug) to distinguish between the default host (A-device, an OTG-capable device connected to the A-plug) and th...

Claims

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Application Information

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IPC IPC(8): G06F13/40
Inventor 林双凤
Owner RUIJIE NETWORKS CO LTD
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