The IT7256 is a 27/35-channel mutual capacitance sensor detection controller that is companioned with one ITO sensing screen module to implement multi-fingers touch screen functions.
The IT7256 supports one I2C interface, which is to communicate with the host. Through this interface, the host can program the internal control registers to configure and control the chip to meet users’ requirements. Besides, they are used to communicate the finger location and some user specified commands.
The IT7256 is available in 40/48-pin XQFN package. It operates in one 3.3V operation power supply and one dedicated IO I/F power source only. The range of this I/O power is from 1.8V to 3.3V.
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