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System and method for expanding peripheral interfaces of intelligent terminal

A technology of intelligent terminal and external interface, which is applied in the field of USB-OTG interface expansion system, can solve the inconvenience of secondary development and other problems, and achieve the effects of saving customization costs, reducing product costs, and reducing difficulty

Inactive Publication Date: 2014-10-08
LINKSILICON INNOVATION PTE
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both traditional methods require modification or upgrade of the hardware or software of the smart terminal, which brings great inconvenience to the secondary development.

Method used

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  • System and method for expanding peripheral interfaces of intelligent terminal
  • System and method for expanding peripheral interfaces of intelligent terminal
  • System and method for expanding peripheral interfaces of intelligent terminal

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Embodiment Construction

[0022] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0023] According to an embodiment of the present invention, a system for extending the external interface of an intelligent terminal by using a USB interface is proposed, as shown in the attached figure 1 As shown, the system shown includes:

[0024] An intelligent terminal based on a mobile intelligent operating system has a USB-OTG interface, the USB-OTG interface is set to a USB-HOST mode, and the mobile intelligent operating sy...

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Abstract

The invention relates to a system and method for expanding peripheral interfaces of an intelligent terminal. According to the system and method, an embedded integrated circuit and a USB-HUB expanding unit are adopted and through circuit debugging and software programming and under the condition that the system and the interfaces of the intelligent terminal are not changed at all, the system and method for expanding the peripheral interfaces of the intelligent terminal through USB interfaces are developed. According to the scheme, a standard USB-OTG protocol on the standard intelligent terminal is adopted and the expansion interfaces are communicated with the intelligent terminal in the mode of a USB-HID device, so that difficulty of secondary development of the intelligent terminal is greatly lowered, the speed of secondary development is increased, customization cost of the intelligent terminal is saved, and product cost is reduced.

Description

technical field [0001] The invention relates to a USB-OTG interface expansion system and method for a mobile intelligent operating system, especially a system and method for expanding other interfaces such as a UART interface, an SPI interface and an I2C interface using an integrated circuit design and software programming using a USB interface. Background technique [0002] USB OTG is the abbreviation of USB On-The-Go. It is a technology developed in recent years. It was announced by USB Implementers Forum on December 18, 2001. It is mainly used in the connection between various devices or mobile devices for data exchange. Especially PDAs, mobile phones, consumer devices. Change the inconvenience of data exchange between multiple connectors of different standards among devices such as digital cameras, video cameras, printers, and memory cards of up to 7 standards. The development of USB technology enables PCs and peripheral devices to connect various devices together in a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38G06F13/42
Inventor 郭阳斌经锋郭阳勇李晓龙刘小平
Owner LINKSILICON INNOVATION PTE
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