STMPE812A Datasheet, PDF (1/53 Pages) STMicroelectronics – Integrated 4-wire resistive touchscreen controller, pen-down/real-time mode, fullyautonomous

STMPE812A
Touchscreen controller S-Touch^®
with PWM and dedicated RESET pin
Features
■ Integrated 4-wire resistive touchscreen
controller, pen-down/real-time mode, fully-
autonomous
■ 12-bit ADC for high-resolution touchscreen
■ Operating voltage 1.65 - 3.6 V
■ Low power consumption:
– Hibernation mode: 0.5 µA
– Active mode: 100 µA
■ Auto-hibernation and hotkey wake-up features
■ Up to 3 GPIOs with alternate functions
– 1 PWM controller
– 1 general purpose 12-bit ADC input
– Optional interrupt output pin
■ Dedicated reset input pin
■ 400 kHz I²C interface
■ 8 kV HBM, 1 kV CDM ESD protection on
X+/X-/Y+/Y-
■ 2 kV HBM, 250 V CDM ESD protection on all
other pins
Applications
■ Portable media players
■ Game consoles
■ Mobile and smart phones
CSP 12
(2.17 x 1.67 mm)
Description
The STMPE812A is a 4-wire resistive
touchscreen controller with 4-bit port expander
integrated.
The touchscreen controller is designed to be fully
autonomous, requiring only minimal CPU
intervention for sampling, filtering and pre-
processing operations.
Table 1. Device summary
Order code
STMPE812ABJR
July 2011
Package
CSP 12 (2.17 x 1.67 mm)
Doc ID 18225 Rev 4
Packaging
Tape and reel
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