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Interface circuit, interface switching method and electronic device

A technology of interface circuits and circuits, which is applied in the field of electronic equipment and interface circuits, can solve the problems of not being convenient enough, the process of using physical interfaces is cumbersome, and the space is not enough to set more physical interfaces, so as to achieve the effect of switching

Active Publication Date: 2015-03-04
GUANGZHOU KUGOU TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that the space of the mobile terminal is not enough to set up more physical interfaces, and the use process of each physical interface is relatively cumbersome and not convenient enough, an embodiment of the present invention provides an interface circuit, an interface switching method, and an electronic device

Method used

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  • Interface circuit, interface switching method and electronic device
  • Interface circuit, interface switching method and electronic device
  • Interface circuit, interface switching method and electronic device

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] Please refer to figure 1 , which shows a schematic circuit diagram of an interface circuit provided by an embodiment of the present invention. The interface circuit includes: an earphone jack 110 , an audio processing circuit 120 , a USB processing circuit 130 , a selection switch 140 and a power supply circuit 150 .

[0028] The earphone interface 110 generally includes four terminals, namely a left channel terminal 111 , a right channel terminal 112 , a ground terminal 113 and a microphone terminal 114 . Depending on the industry standard to which the earphone socket 110 refers, the sequence of the four terminals may be slightly different.

[0029] The audio processing circuit 120 is electrically connected to the earphone ja...

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PUM

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Abstract

The invention discloses an interface circuit, an interface switching method and an electronic device, and belongs to the field of electronic circuits. The interface circuit comprises an earphone interface, an audio processing circuit electrically connected with the earphone interface, a USB processing unit electrically connected with the earphone interface, and a power supply circuit electrically connected with one of the audio processing circuit and the USB processing unit via a selection switch. Through controlling the power supply circuit to be connected with the audio processing circuit or the USB processing unit, the problems of tedious and inconvenient use process as a mobile terminal is developed to be thin and light, many physical interfaces can not be arranged due to insufficient space, and different physical interfaces need to be connected with different data lines are solved; effects that the audio interface and the USB interface share the earphone interface are achieved; and switching between the audio connection state and the USB connection state is achieved.

Description

technical field [0001] The invention relates to the field of electronic circuits, in particular to an interface circuit, an interface switching method and electronic equipment. Background technique [0002] In a mobile terminal supporting multimedia playback, it is usually necessary to set various physical interfaces for connecting with other devices. [0003] The most commonly used ones in the prior art are audio interface and USB (Universal Serial Bus, Universal Serial Bus) interface. The audio interface is used to output audio signals, usually connected to headphones; the USB interface is used for charging or data transmission, usually connected to adapters or other devices. Each different interface in the mobile terminal corresponds to a different function. [0004] In the process of realizing the present invention, the inventor finds that there are at least the following problems in the prior art: [0005] As mobile terminals are becoming thinner and lighter, the spa...

Claims

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Application Information

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IPC IPC(8): H01R29/00H04R3/00
CPCH04R3/00
Inventor 王宇飞
Owner GUANGZHOU KUGOU TECH