An electronic device, comprising: a display layer; a sensor layer on the display layer and configured to detect a touch input and an input-device input; and a sensor control circuit configured to provide the sensor layer with a signal (S1, S2) and to receive a detection signal (S3, S4, Sa, Sb, Sc, Sd) from the sensor layer, wherein the sensor layer includes: a first electrode that extends along a first direction; a second electrode that extends along the first direction; a first cross electrode that extends along a second direction intersecting the first direction; and a second cross electrode that extends along the second direction, wherein the sensor control circuit includes: a signal generation circuit configured to provide the sensor layer with the signal; a touch detection circuit configured to obtain a touch coordinate based on the detection signal provided from the sensor layer; and an input-device detection circuit configured to obtain an input-device coordinate based on the detection signal provided from the sensor layer; wherein the signal generation circuit is configured to concurrently provide a same signal to the first electrode and the second electrode, and the touch detection circuit is configured to obtain the touch coordinate by summing a first detection signal received from the first cross electrode with a second detection signal received from the second cross electrode; wherein the sensor control circuit is configured to detect the touch input based on a variation in mutual capacitance between the first and the second electrodes and the first and the second cross electrodes, and wherein the sensor control circuit is configured to detect the input-device input based on a variation in capacitance of at least one of the first electrode and the second electrode and a variation in capacitance of at least one of the first cross electrode and the second cross electrode. a display layer; a sensor layer on the display layer and configured to detect a touch input and an input-device input; and a sensor control circuit configured to provide the sensor layer with a signal (S1, S2) and to receive a detection signal (S3, S4, Sa, Sb, Sc, Sd) from the sensor layer, wherein the sensor layer includes: a first electrode that extends along a first direction; a second electrode that extends along the first direction; a first cross electrode that extends along a second direction intersecting the first direction; and a second cross electrode that extends along the second direction, a first electrode that extends along a first direction; a second electrode that extends along the first direction; a first cross electrode that extends along a second direction intersecting the first direction; and a second cross electrode that extends along the second direction, wherein the sensor control circuit includes: a signal generation circuit configured to provide the sensor layer with the signal; a touch detection circuit configured to obtain a touch coordinate based on the detection signal provided from the sensor layer; and an input-device detection circuit configured to obtain an input-device coordinate based on the detection signal provided from the sensor layer; a signal generation circuit configured to provide the sensor layer with the signal; a touch detection circuit configured to obtain a touch coordinate based on the detection signal provided from the sensor layer; and an input-device detection circuit configured to obtain an input-device coordinate based on the detection signal provided from the sensor layer; wherein the signal generation circuit is configured to concurrently provide a same signal to the first electrode and the second electrode, and the touch detection circuit is configured to obtain the touch coordinate by summing a first detection signal received from the first cross electrode with a second detection signal received from the second cross electrode; wherein the sensor control circuit is configured to detect the touch input based on a variation in mutual capacitance between the first and the second electrodes and the first and the second cross electrodes, and wherein the sensor control circuit is configured to detect the input-device input based on a variation in capacitance of at least one of the first electrode and the second electrode and a variation in capacitance of at least one of the first cross electrode and the second cross electrode.