Type-C interface controlling circuit, controlling method and mobile terminal
AssigneeVivo Mobile Communication Co., Ltd.
InventorQuanxi Yin
Life of this patent
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Abstract
The present disclosure provides a Type-C interface controlling circuit, a controlling method, and a mobile terminal, wherein the Type-C interface controlling circuit includes: a Type-C interface, a first transmission module, a second transmission module, a switching module, and a detection module. The first end of the detection module is connected to the Type-C interface for detecting a connection state of the Type-C interface, and the second end of the detection module is connected to the switching module, and the detection module controls a connection relationship between the first end of the switching module and the second end of the switching module according to the connection state.
Claims9
A USB Type-C® interface controlling circuit comprising:
- a USB Type-C® interface comprising a first pin face and a second pin face which are symmetric, wherein the first pin face and the second pin face each comprises a multiplexed pin, and the multiplexed pin of each pin face is provided for transmitting at least two types of signals;
- a first transmission module, configured to transmit a first type of signal;
- a second transmission module, configured to transmit a second type of signal;
- a switching module comprising a first switching unit and a second switching unit, a first end of the first switching unit is connected to the multiplexed pin of the first pin face, and a second end of the first switching unit is connected to the first transmission module, and a first end of the second switching unit is connected to the multiplexed pin of the second pin face, and a second end of the second switching unit is connected to the second transmission module;
- a detection module, a first end of the detection module is connected to the USB Type-C® interface for detecting a connection state of the USB Type-C® interface, and a second end of the detection module is connected to the switching module, and the detection module controls a connection relationship between a first end of the switching module and a second end of the switching module according to the connection state, wherein
- when the connection state of the USB Type-C® interface is a first connection state, the detection module controls the first end of the first switching unit to be connected to the second end of the first switching unit, and controls the second end of the second switching unit to be connected to the second end of the second switching unit;
- when the connection state of the USB Type-C® interface is a second connection state, the detection module controls the first end of the first switching unit to be connected to the second end of the second switching unit, and controls the first end of the second switching unit to be connected to the second end of the first switching unit.
A USB Type-C® interface controlling method applied to a USB Type-C® interface having a multiplexed pin on each pin face being connected to a switching module, the method comprising:
- detecting a connection state of the USB Type-C® interface;
- and
- controlling a connection relationship between a first end of the switching module and a second end of the switching module according to the connection state of the USB Type-C® interface, wherein the switching module comprises a first switching unit and a second switching unit;
- the step of controlling the connection relationship between a first end of the switching module and a second end of the switching module according to the connection state of the USB Type-C® interface comprises:
- when the connection state of the USB Type-C® interface is a first connection state, controlling a first end of the first switching unit to be connected to a unit to be connected to a second end of the second switching unit;
- when the connection state of the USB Type-C® interface is a second connection state, controlling the first end of the first switching unit to be connected to the second end of the second switching unit, and controlling the first end of the second switching unit to be connected to the second end of the first switching unit.
Dependencies are inferred from the claim text.