STMPE321 - 3-channel capacitive touch key controller

Product Overview

ST Microelectronics

Datasheet Details

Part number	STMPE321
Manufacturer	STMicroelectronics
File Size	471.65 KB
Description	3-channel capacitive touch key controller
Datasheet	STMPE321 Datasheet
Additional preview pages of the STMPE321 datasheet.

Product details

Description

The STMPE321 is a 3-channel capacitive touch key controller. Mobile phones and smartphones Portable media players Game consoles Table 1. Device summary Order code STMPE321QTR Package QFN12 (2.2 x 1.5 mm) Packing Tape and reel June 2009 Doc ID 15791 Rev 1 1/40 www.st.com

Features

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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Published: Jul 13, 2009 |