Intelligent mobile terminal USB TYPE-C interface system

A technology of intelligent mobile terminal and interface system, applied in the field of USBTYPE-C interface system of intelligent mobile terminal, can solve the problems such as insufficient utilization of USBTYPE-C interface and insufficient realization of USB3.0, and achieve good user experience. The effect of experience

Inactive Publication Date: 2016-08-24
LETV HLDG BEIJING CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are a total of four signal lines in the USB TYPE-C interface: TX1+, TX2-, RX1+, RX1-, however, due to the limitations of the development of external devices, smart phones and tablets are not yet very good Realize the functions of USB3.0 and USB 3.1 standards, but make the USB TYPE-C interface not fully utilized

Method used

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  • Intelligent mobile terminal USB TYPE-C interface system
  • Intelligent mobile terminal USB TYPE-C interface system

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Embodiment Construction

[0016] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application will be further described in detail below in conjunction with the drawings and specific embodiments.

[0017] Such as figure 1 As shown, the present invention provides an intelligent mobile terminal USB TYPE-C interface system, comprising:

[0018] The USB controller 10 is set in the smart mobile terminal 1, preferably, the USB controller 10 is set in a system-on-chip 11 (System on Chip, abbreviated as SoC) inside the smart mobile terminal 1;

[0019] The first USB TYPE-C interface 12 is arranged in the smart mobile terminal 1 and exposed from the shell of the smart mobile terminal 1. It includes two groups of symmetrically arranged pin groups, and each pin group is provided with four The pins TX+, TX-, RX+, RX- for transmitting signals and the pins D+ and D- for compatible USB 2.0 i...

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Abstract

The invention relates to an intelligent mobile terminal USB TYPE-C interface system. The intelligent mobile terminal USB TYPE-C interface system comprises a USB controller, a first USB TYPE-C interface, a USB Hub chip and a switch-over connecting line. The first USB TYPE-C interface comprises two symmetrical pin sets, and each pin set comprises four pins TX+, TX-, RX+ and RX- used for transmitting signals and two pins D+ and D- used for being compatible with USB 2.0 interfaces, wherein the pins D+ and D- serve as one set, the pins TX+ and TX- serve as one set, the pins RX+ and RX- serve as one set, and three signal pin sets are formed. The USB Hub chip is provided with an uplink port connected with the USB controller and two or three downlink ports correspondingly connected with one signal pin set. A second USB TYPE-C interface used for being connected to the first USB TYPE-C interface in a plugging mode is formed in one end of the switch-over connecting line, and the other end of the switch-over connecting line is divided into the USB 2.0 interfaces, wherein the number of the USB 2.0 interfaces is the same as that of the downlink ports of the USB Hub chip. According to the intelligent mobile terminal USB TYPE-C interface system, one first USB TYPE-C interface is expanded into the three USB 2.0 interfaces at most, and three USB devices can be connected with the system at most with the cooperation of the specially-made switch-over connecting line at the same time in a plugging mode.

Description

technical field [0001] The invention relates to the technical field of USB TYPE-C interface applications, in particular to an intelligent mobile terminal USB TYPE-C interface system. Background technique [0002] At present, as the performance of smartphones and tablet computers becomes more and more powerful and their screens become larger and larger, their functionality can gradually be used like laptops, and external devices commonly used in computers such as mice, keyboards, and U disks are also required to be used at the same time . However, due to their light and thin structure, smart phones and tablet computers usually only have one USB interface. When multiple USB devices need to be connected externally, an additional USB hub will have to be connected, which is very troublesome on the one hand. , due to the large size of the USB hub, the portability is poor, and it is not beautiful. [0003] At present, newly launched smartphones and tablet computers have begun to ...

Claims

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Application Information

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IPC IPC(8): G06F13/40
CPCG06F13/4022G06F13/4068G06F2213/0042G06F13/40
Inventor 王禹于燕
Owner LETV HLDG BEIJING CO LTD
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