Transmission interface module and signal transmission method
AssigneeAltek Semiconductor Corp.
InventorChing-yen Chang
Life of this patent
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Abstract
A transmission interface module includes a receiving unit, a transmitting unit, a multiplexer, and a processing unit. An output terminal and a control terminal of the receiving unit are electrically connected to the processing unit. The input terminal and the control terminal of the transmitting unit are electrically connected to the processing unit, and the control terminal of the multiplexer is electrically connected to the processing unit. The transmission interface module respectively adjusts a turn-on state or a turn-off state of the analog power terminal, the digital power terminal, the processing unit, the receiving unit, the transmitting unit, and the multiplexer through a plurality of operation modes to transmit the detecting signals.
Claims20
A transmission interface module electrically connected to a sensor and an application processor, and the transmission interface module comprising:
- a signal input terminal electrically connected to the sensor and receiving a plurality of detecting signals transmitted by the sensor;
- a signal output terminal electrically connected to the application processor, and outputting the plurality of detecting signals to the application processor;
- an analog power terminal electrically connected to a first voltage;
- a digital power terminal electrically connected to a second voltage;
- a receiving unit including an input terminal, an output terminal, and a control terminal, wherein the input terminal of the receiving unit is electrically connected to the signal input terminal;
- a transmitting unit including an input terminal, an output terminal, and a control terminal;
- a multiplexer including a first input terminal, a second input terminal, a control terminal, and an output terminal, wherein the first input terminal of the multiplexer is electrically connected to the signal input terminal, the second input terminal of the multiplexer is electrically connected to the output terminal of the transmitting unit, and the output terminal of the multiplexer is electrically connected to the signal output terminal;
- and
- a processing unit electrically connected to the receiving unit, the transmitting unit, and the multiplexer, wherein the processing unit receives the second voltage for operation;
- wherein the output terminal and the control terminal of the receiving unit are electrically connected to the processing unit, the input terminal and the control terminal of the transmitting unit are electrically connected to the processing unit, and the control terminal of the multiplexer is electrically connected to the processing unit;
- wherein the first voltage is applied to provide electrical energy for operation of the receiving unit, the transmitting unit, and the multiplexer;
- wherein the transmission interface module respectively adjusts a turn-on state or a turn-off state of the analog power terminal, the digital power terminal, the processing unit, the receiving unit, the transmitting unit, and the multiplexer through a plurality of operation modes to transmit the detecting signals.
A signal transmission method using a transmission interface module, wherein the transmission interface module is electrically connected to a sensor and an application processor, and the transmission interface module receives a plurality of detecting signals of the sensor, the transmission interface module includes a signal input terminal, a signal output terminal, an analog power terminal, a digital power terminal, a receiving unit, a transmitting unit, a multiplexer, and a processing unit;
- the signal input terminal is electrically connected to the sensor, and receives the detecting signals transmitted by the sensor;
- the signal output terminal is electrically connected to the application processor, and outputs the detecting signals to the application processor;
- the receiving unit is electrically connected to the signal input terminal and the processing unit, the transmitting unit is electrically connected to the multiplexer and the processing unit, and the multiplexer is electrically connected to the signal input terminal, the signal output terminal, and the processing unit;
- the signal transmission method comprising:
- setting an operation mode of the transmission interface module;
- adjusting a turn-on state or a turn-off state of the analog power terminal, the digital power terminal, the processing unit, the receiving unit, the transmitting unit, and the multiplexer based on the operation mode of the transmission interface module;
- and
- transmitting the detecting signals.
Dependencies are inferred from the claim text.