STMPE2401 datasheet(1/55 Pages) STMICROELECTRONICS

Part #	STMPE2401

Description	24-bit Enhanced port expander with Keypad and PWM controller Xpander logic

PDF	55 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 55 page

May 2007

Rev 2

1/55

55

STMPE2401

24-bit Enhanced port expander with Keypad and PWM controller

Xpander logic

Features

■ 24 GPIOs

■ Operating voltage 1.8V

■ Hardware key pad controller (8*12 matrix max)

■ 3 PWM (8 bit) output for LED brightness control

and blinking

■ Interrupt output (open drain) pin

■ Configurable hotkey feature on each GPIO

■ Ultra-low Standby-mode current

■ Package TFBGA - 36 pins 3.6x3.6mm, pitch

0.5mm

Description

The STMPE2401 is a GPIO (General Purpose

Input / output) port expander able to interface a

Main Digital ASIC via the two-line bidirectional

bus (I2C); separate GPIO Expander IC is often

used in Mobile-Multimedia platforms to solve the

problems of the limited amounts of GPIOs usually

available on the Digital Engine.

The STMPE2401 offers great flexibility as each

I/Os is configurable as input, output or specific

functions; it's able to scan a keyboard, also

provides PWM outputs for brightness control in

backlight, rotator decoder interface and GPIO.

This device has been designed very low

quiescent current, and is including a wake up

feature for each I/O, to optimize the power

consumption of the IC.

Potential application of the STMPE2401 includes

portable media player, game console, mobile

phone, smart phone

TFBGA

www.st.com

Figure 1.

Device summary

Part number

Package

Packaging

STMPE2401TBR

TFBGA36

Tape and reel

Similar Part No. - STMPE2401

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	STMPE2403	890Kb / 63P	24-bit Enhanced port expander with Keypad and PWM controller Xpander logic 08-Jun-2007
STMicroelectronics	STMPE2403TBR	890Kb / 63P	24-bit Enhanced port expander with Keypad and PWM controller Xpander logic 08-Jun-2007

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Similar Description - STMPE2401

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	STMPE1601	602Kb / 58P	16-bit enhanced port expander with keypad and PWM controller Xpander Logic 10-Jan-2008
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	STMPE1601	583Kb / 61P	16-bit enhanced port expander with keypad and PWM controller Xpander Logic 02-Jun-2008
	STMPE2403	890Kb / 63P	24-bit Enhanced port expander with Keypad and PWM controller Xpander logic 08-Jun-2007
	STEVAL-TCS004V1	147Kb / 4P	16-bit port expander demonstration board with keypad and PWM controller based on the STMPE1601 11-Nov-2009
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	STEVAL-TCS001V1	228Kb / 4P	24 bit port expander demonstation board with LCD, keypad, and PWM interfaces based on the STMPE2401 December 2008 Rev 1
	STEVAL-TCS003V1	304Kb / 5P	24-bit port expander demonstration board with LCD, keypad, and PWM interfaces based on the STMPE2403 October 2009 Rev 1
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STMPE2401 Datasheet(PDF) 1 Page - STMicroelectronics

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