Touch circuit for processing touch-associated data, electronic device comprising touch circuit, and method for operating same

A method for operating an electronic device including a touch circuit and a processor, the method comprising:

• generating first raw data including a first value associated with capacitance for each of a plurality of channels of the touch circuit, by the touch circuit;
• generating a first baseline based on the first raw data, by the touch circuit;
• identifying whether the first raw data meets a designated condition, by the touch circuit;
• and
• identifying whether to reset the first baseline based on whether the designated condition is met, by the touch circuit.

An electronic device, comprising:

• a processor;
• and
• a touch circuit configured to output, to the processor, information associated with a touch to at least one surface of the electronic device,
• wherein the touch circuit is configured to generate first raw data including a value associated with a capacitance for each of a plurality of channels of the touch circuit at a first time, generate a baseline based on the first raw data, generate second raw data including the value associated with the capacitance for each of the plurality of channels of the touch circuit at a second time, process, in a first scheme, data corresponding to each of a first channel and a second channel among the second raw data, based on a difference between data respectively corresponding to the first channel and the second channel adjacent to each other among the first raw data being not more than a threshold, and process, in a second scheme, the data corresponding to each of the first channel and the second channel among the second raw data, based on the difference between data respectively corresponding to the first channel and the second channel adjacent to each other among the first raw data exceeding the threshold.

An electronic device, comprising:

• a processor;
• and
• a touch circuit configured to output, to the processor, information associated with a touch to at least one surface of the electronic device,
• wherein the touch circuit includes a plurality of transmission channels corresponding to a plurality of transmission electrodes arranged in a first direction and a plurality of reception channels corresponding to a plurality of reception electrodes arranged in a second direction orthogonal to the first direction, and
• wherein the touch circuit is configured to:
• generate signal data based on values associated with capacitances of nodes where the plurality of transmission electrodes cross the plurality of reception electrodes, the signal data including data corresponding to each of the nodes,
• identify whether the signal data meets a designated condition,
• discard the signal data in response to the signal data meeting the designated condition, and
• output, to the processor, the information associated with the touch to the at least one surface of the electronic device based on the signal data in response to the signal data failing to meet the designated condition.

An electronic device, comprising:

• a processor;
• and
• a touch circuit configured to output, to the processor, information associated with a touch to at least one surface of the electronic device,
• wherein the touch circuit is configured to:
• obtain first raw data including a first value associated with capacitance for each of a plurality of channels of the touch circuit,
• obtain signal data based on the first raw data and a current first baseline, and
• identify whether to reset the first baseline based on whether the signal data meets a designated condition.