STMPE321 Datasheet 3-channel capacitive touch key controller

Manufacturer: STMicroelectronics

Datasheet Details

Part number	STMPE321
Manufacturer	STMicroelectronics
File Size	471.65 KB
Description	3-channel capacitive touch key controller
Download	STMPE321 Download (PDF)

The STMPE321 is a 3-channel capacitive touch key controller.

Capacitance measurement is implemented in fully optimized hardware.

All 3 I/Os can be configured via an I2C bus to function as either capacitive touch key, or as GPIOs (general purpose I/O).

www.DataSheet4U.com STMPE321 3-channel capacitive touch key controller.

Up to 3 GPIOs Up to 3 capacitive touch key inputs Operating voltage 1.65 - 1.95 V Internal regulator Interrupt output pin I2C interface (1.8 V operation, 3.3 V tolerant) 8 kV HBM ESD protection 40 fF resolution, 128-step capacitance measurement Advanced data filtering (AFS) Environment tracking calibration (ETC) Individually adjustable touch variance (TVR) settings for all channels Adjustable environmental variance (E.

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