PCF8576CUSLASH2 datasheet(1/56 Pages) NXP

Part #	PCF8576CU/2

Description	Universal LCD driver for low multiplex rates

PDF	56 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1.

General description

The PCF8576C is a peripheral device which interfaces to almost any Liquid Crystal

Display (LCD)1 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 and can easily

be cascaded for larger LCD applications. The PCF8576C is compatible with most

microprocessors or microcontrollers and communicates via a two-line bidirectional

I2C-bus. Communication overheads are minimized by a display RAM with

auto-incremented addressing, by hardware subaddressing.

2.

Features

I Single-chip LCD controller and driver

I 40 segment drives:

N Up to twenty 7-segment numeric characters

N Up to ten 14-segment alphanumeric characters

N Any graphics of up to 160 elements

I Versatile blinking modes

I No external components required (even in multiple device applications)

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

I Selectable display bias conﬁguration: static, 1⁄2 or 1⁄3

I Internal LCD bias generation with voltage-follower buffers

I 40 × 4-bit RAM for display data storage

I Auto-incremented display data loading across device subaddress boundaries

I Display memory bank switching in static and duplex drive modes

I Wide logic LCD supply range:

N From 2 V for low-threshold LCDs

N Up to 6 V for guest-host LCDs and high-threshold twisted nematic LCDs

I Low power consumption

I May be cascaded for large LCD applications (up to 2560 segments possible)

I Cascadable with 24-segment LCD driver PCF8566

I No external components

I Compatible with chip-on-glass technology

I Separate or combined LCD and logic supplies

I Optimized pinning for plane wiring in both and multiple PCF8576C applications

I Power-saving mode for extremely low power consumption in battery-operated and

telephone applications

PCF8576C

Universal LCD driver for low multiplex rates

Rev. 09 — 9 July 2009

Product data sheet

1.

The deﬁnition of the abbreviations and acronyms used in this data sheet can be found in Section 19.

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PCF8576CU/2 Datasheet(PDF) 1 Page - NXP Semiconductors

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