STMPE1601TBR STMICROELECTRONICS [STMicroelectronics], STMPE1601TBR Datasheet

STMPE1601TBR

Manufacturer Part Number

STMPE1601TBR

Description

16-bit enhanced port expander with keypad and PWM controller Xpander Logic

Manufacturer

STMICROELECTRONICS [STMicroelectronics]

Datasheet

1.STMPE1601TBR.pdf (58 pages)

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Features

■

Table 1.

January 2008

This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to

change without notice.

16 GPIOs

(8 operate at core supply V

supply V

Operating voltage 1.8

Hardware keypad controller (8*8 matrix with 4

optional dedicated keys max)

Keypad controller capable of detecting key-

press in hibernation mode

4 basic PWM controller for LED brightness

control

Interrupt output (open drain) pin

Optional 32 kHz clock input

8-channel programmable level translator

Advanced power management system

Ultra-low standby-mode current

Package TFBGA25 (3 x 3 mm)

16-bit enhanced port expander with keypad and PWM controller

STMPE1601TBR

Order code

Device summary

)

−

3.3 V

, 8 operate at IO

TFBGA25

Package

Rev 1

Description

The STMPE1601 is a GPIO (general purpose

input/output) port expander able to interface a

main digital ASIC via the two-line bidirectional bus

in mobile multimedia platforms to solve the

problems of the limited number of GPIOs typically

available on the digital engine.

The STMPE1601 offers great flexibility, as each

I/O can be configured as input, output or specific

functions. The device is able to scan a keyboard,

also provides PWM outputs for brightness control

in backlight, and GPIO. This device has been

designed to include very low quiescent current,

and a wake-up feature for each I/O, to optimize

the power consumption of the IC.

Potential applications of the STMPE1601 include

portable media players, game consoles, mobile

and smart phones.

C). A separate GPIO expander IC is often used

TFBGA25

STMPE1601

Tape and reel

Xpander Logic

Packaging

Preliminary Data

www.st.com

1/58

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