A touch-sensitive in-cell display device, comprising: an active matrix of row conductors and column conductors; a plurality of pixels, each pixel connected to a row conductor and a column conductor at a different intersection of the active matrix and each pixel connected to a common electrode; and a controller configured to: determine whether an input from an active input device is detected; if input from an active input device is detected, perform a display-write operation on a pixel of the active matrix in a touch sensing frame and perform an electrostatic measurement on a different pixel of the active matrix in the touch-sensing frame to detect input from the active input device in the touch-sensing frame such that the electrostatic measurement does not temporarily overlap with the display write operation; and if input from an active device is not detected, perform a display-write operation on a pixel of the active matrix in the touch-sensing frame at least by applying different voltages to a row conductor, a column conductor, and a common electrode connected to the pixel, and while performing the display-write operation on the pixel in the touch-sensing frame, perform an electrostatic measurement on a different pixel of the active matrix at least by applying a same common-mode excitation voltage to a row conductor, a column conductor, and a common electrode connected to the different pixel, while measuring a current through a designated conductor. an active matrix of row conductors and column conductors; a plurality of pixels, each pixel connected to a row conductor and a column conductor at a different intersection of the active matrix and each pixel connected to a common electrode; and a controller configured to: determine whether an input from an active input device is detected; if input from an active input device is detected, perform a display-write operation on a pixel of the active matrix in a touch sensing frame and perform an electrostatic measurement on a different pixel of the active matrix in the touch-sensing frame to detect input from the active input device in the touch-sensing frame such that the electrostatic measurement does not temporarily overlap with the display write operation; and if input from an active device is not detected, perform a display-write operation on a pixel of the active matrix in the touch-sensing frame at least by applying different voltages to a row conductor, a column conductor, and a common electrode connected to the pixel, and while performing the display-write operation on the pixel in the touch-sensing frame, perform an electrostatic measurement on a different pixel of the active matrix at least by applying a same common-mode excitation voltage to a row conductor, a column conductor, and a common electrode connected to the different pixel, while measuring a current through a designated conductor. determine whether an input from an active input device is detected; if input from an active input device is detected, perform a display-write operation on a pixel of the active matrix in a touch sensing frame and perform an electrostatic measurement on a different pixel of the active matrix in the touch-sensing frame to detect input from the active input device in the touch-sensing frame such that the electrostatic measurement does not temporarily overlap with the display write operation; and if input from an active device is not detected, perform a display-write operation on a pixel of the active matrix in the touch-sensing frame at least by applying different voltages to a row conductor, a column conductor, and a common electrode connected to the pixel, and while performing the display-write operation on the pixel in the touch-sensing frame, perform an electrostatic measurement on a different pixel of the active matrix at least by applying a same common-mode excitation voltage to a row conductor, a column conductor, and a common electrode connected to the different pixel, while measuring a current through a designated conductor.