STMPE821 - 8-bit Xpander Logic

Product Overview

STMicroelectronics

Part number	STMPE821
Manufacturer	STMicroelectronics
File Size	718.80 KB
Description	8-bit Xpander Logic
Datasheet	STMPE821 Datasheet
Additional preview pages of the STMPE821 datasheet.

The STMPE821 is a GPIO (general purpose input/output) port expander able to interface a main digital ASIC via the two-line bidirectional bus (I2C).

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to 8 GPIOs to 8 touchkey capacitive touch inputs Operating voltage 1.8 - 5.5 V Internal regulator Interrupt output pin I2C interface 8 kV HBM ESD protection 40 fF resolution, 128 steps capacitance measurement (5.0 pF dynamic range) Advanced data filtering (AFS) Environment tracking calibration (ETC) Individually adjustable touch variance (TVR) setting for all channels Adjustable environmental vari.

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Published: Jan 12, 2009 |