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PCF8534 - Universal LCD driver

Datasheet Summary

Description

The PCF8534 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 60 segments and can easily be cascaded for larger LCD applications.

Features

  • Single-chip LCD controller / driver.
  • Selectable backplane drive configuration: static or 2 / 3 / 4 backplane multiplexing.
  • Internal LCD bias generation with voltage-follower buffers.
  • 60 x 4-bit RAM for display data storage.
  • Selectable display bias configuration: static, 1⁄2 or 1⁄3.
  • 60 segment drives: up to thirty 8-segment numeric characters; up to sixteen 15-segment alphanumeric characters; or any graphics of up to 240 elements.
  • A.

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Datasheet preview – PCF8534

Datasheet Details

Part number PCF8534
Manufacturer NXP Semiconductors
File Size 936.54 KB
Description Universal LCD driver
Datasheet download datasheet PCF8534 Datasheet
Additional preview pages of the PCF8534 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com PCF8534 Universal LCD driver for low multiplex rates Rev. 00.05 — 20 February 2007 Preliminary datasheet 1. General description The PCF8534 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 60 segments and can easily be cascaded for larger LCD applications. The PCF8534 is compatible with most microprocessors / microcontrollers and communicates via a two-line bidirectional I2C-bus. Communication overheads are minimized using a display RAM with auto-incremented addressing, hardware subaddressing and display memory switching (static and duplex drive modes). 2.
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