An electronic device comprising: a processor (120, 210, 550, 650); a touch sensor; a display (160, 260, 610) disposed below the touch sensor or including the touch sensor; a display driver integrated circuit, DDI, including a graphics memory; and a touch controller (525, 630) including a register, wherein the processor is configured to: provide image data, to be displayed in a first partial area (411, 611) of the display when the processor is in a sleep state and time data specifying regular intervals for moving at least one Always On Display, AOD, content displayed in at least one of the first partial area and a second partial area, to the DDI to store the image data into the graphics memory, provide data associated with the second partial area (412, 612) of the touch sensor specified to sense an effective touch while the processor is in the sleep state, to the touch controller to store the data into the register, wherein the second partial area of the touch sensor is activated while the processor is in the sleep state, wherein, when the effective touch is sensed in the second partial area of the touch sensor, the touch controller is configured to provide an interrupt to the processor to wake it from the sleep state, and the processor is configured to obtain the data associated with the effective touch in response to the interrupt, wherein the touch controller is configured to: update the second partial area to sense the effective touch based on the moving of the at least one AOD content. a processor (120, 210, 550, 650); a touch sensor; a display (160, 260, 610) disposed below the touch sensor or including the touch sensor; a display driver integrated circuit, DDI, including a graphics memory; and a touch controller (525, 630) including a register, wherein the processor is configured to: provide image data, to be displayed in a first partial area (411, 611) of the display when the processor is in a sleep state and time data specifying regular intervals for moving at least one Always On Display, AOD, content displayed in at least one of the first partial area and a second partial area, to the DDI to store the image data into the graphics memory, provide data associated with the second partial area (412, 612) of the touch sensor specified to sense an effective touch while the processor is in the sleep state, to the touch controller to store the data into the register, wherein the second partial area of the touch sensor is activated while the processor is in the sleep state, wherein, when the effective touch is sensed in the second partial area of the touch sensor, the touch controller is configured to provide an interrupt to the processor to wake it from the sleep state, and the processor is configured to obtain the data associated with the effective touch in response to the interrupt, wherein the touch controller is configured to: update the second partial area to sense the effective touch based on the moving of the at least one AOD content. provide image data, to be displayed in a first partial area (411, 611) of the display when the processor is in a sleep state and time data specifying regular intervals for moving at least one Always On Display, AOD, content displayed in at least one of the first partial area and a second partial area, to the DDI to store the image data into the graphics memory, provide data associated with the second partial area (412, 612) of the touch sensor specified to sense an effective touch while the processor is in the sleep state, to the touch controller to store the data into the register, wherein the second partial area of the touch sensor is activated while the processor is in the sleep state, wherein, when the effective touch is sensed in the second partial area of the touch sensor, the touch controller is configured to provide an interrupt to the processor to wake it from the sleep state, and the processor is configured to obtain the data associated with the effective touch in response to the interrupt, wherein the touch controller is configured to: update the second partial area to sense the effective touch based on the moving of the at least one AOD content.