PCA8572DA datasheet(1/42 Pages) NXP

Part #	PCA8572DA

Description	Automotive 40 x 4 LCD segment driver for low multiplex rates up to 1:4

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1.

General description

The PCA8576D is a peripheral device which interfaces to almost any Liquid Crystal

Display (LCD) with low multiplex rates. It generates the drive signals for any static or

multiplexed LCD containing up to four backplanes and up to 40 segments. It can be easily

cascaded for larger LCD applications. The PCA8576D is compatible with most

microcontrollers and communicates via the two-line bidirectional I2C-bus. Communication

overheads are minimized by a display RAM with auto-incremented addressing, by

hardware subaddressing and by display memory switching (static and duplex drive

modes).

2.

Features and benefits

 AEC-Q100 compliant for automotive applications

 Single chip LCD controller and driver

 Selectable backplane drive configuration: static or 2, 3, 4 backplane multiplexing

 Selectable display bias configuration: static, 1



2 or

1



3

 Internal LCD bias generation with voltage-follower buffers

 40 segment drives:

 Up to 20 7-segment numeric characters

 Up to 10 14-segment alphanumeric characters

 Any graphics of up to 160 elements

 40

 4-bit RAM for display data storage

 Auto-incremented display data loading across device subaddress boundaries

 Display memory bank switching in static and duplex drive modes

 Versatile blinking modes

 Independent supplies possible for LCD and logic voltages

 Wide power supply range: from 1.8 V to 5.5 V

 Wide logic LCD supply range:

 From 2.5 V for low-threshold LCDs

 Up to 6.5 V for high-threshold twisted nematic LCDs

 Low power consumption

 400 kHz I2C-bus interface

 May be cascaded for large LCD applications (up to 2560 elements possible)

 No external components required

 Compatible with chip-on-glass and chip-on-board technology

 Manufactured in silicon gate CMOS process

PCA8576D

Automotive 40 x 4 LCD segment driver for low multiplex rates

up to 1:4

Rev. 1 — 4 April 2011

Product data sheet

Similar Part No. - PCA8572DA

Manufacturer	Part #	Datasheet	Description
NXP Semiconductors	PCA8574	159Kb / 27P	Remote 8-bit I/O expander for I2C-bus with interrupt Rev. 02-14 May 2007
	PCA8574	727Kb / 8P	Smart, simple solutions for the 12 most common design concerns August 2011
	PCA8574A	159Kb / 27P	Remote 8-bit I/O expander for I2C-bus with interrupt Rev. 02-14 May 2007
	PCA8574A	727Kb / 8P	Smart, simple solutions for the 12 most common design concerns August 2011
	PCA8574AD	159Kb / 27P	Remote 8-bit I/O expander for I2C-bus with interrupt Rev. 02-14 May 2007

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PCA8572DA Datasheet(PDF) 1 Page - NXP Semiconductors

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