FT801 if you prefer capacity rather than resistivity

FT801 brings together advantages of the „Embedded Video Engine“ (EVE) concept and advantages of capacitive displays like easy control, interactivity and usually a higher brightness and overall vividness of these displays.

New chip FT801 is functionally practically the same as the initial EVE chip - FT800. It supports display, audio and touch interface with a capacitive touch screen via an I²C interface connected to a standard touch controller.

FT801 has multi-touch capabilities enabling 5 independent touch points to be simultaneously determined (so called Extended mode). This facilitates the deployment of human machine interfaces (HMIs) usable by several people at once, or where a variety of complex hand gestures can be detected. The IC’s sophisticated hardware engine has the ability to recognize touch tags and track touch movement - delivering notification of up to 255 touch tags.

The capacitive touch panel module (CTPM) asserts an interrupt when a touch is detected, signalling the FT801 to read the touch data via I2C. Additionally the FT801 supports a Compatibility touch mode, where existing FT800 application code can be run with single touch events detected.

The device is packaged in the same 48 pin QFN footprint as the FT800 and enables to use practically the same display design as at FT800, including 3 in1 functionality (Display, Audio and Touch) and 1/16th pixel resolution. A 12MHz crystal oscillator with PLL can deliver a 48MHz or 36MHz system clock.

Detailed description can be found in the FT801 datasheet.
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