Analog IC / Capacitive Sensing (screen)

IT7281: touch screen controllers

Supports up to 80 capacitance sensing pins, configuration to 40 X and 40 Y, maximum 1600 channels.
10.25 ms update rate (frame rate 97) for all 80 sensor inputs (x =40 channel driving, y = 40 channel sensing)
Automatic conversion sequencer
Mutual capacitance smart finger detection engine

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