Datasheet > EHD66764

EHD66764

更新时间： 2024-11-08 22:30:47

品牌	Logo	应用领域
日立 - HITACHI		显示器驱动
页数	文件大小	规格书
38页	246K
描述
176-channel Common Driver for Color Displays

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EHD66764 数据手册

HD66764

176-channel Common Driver for Color Displays

Rev.1.0

September, 2001

Description

The HD66764 is a common-driver LSI for systems with color-liquid-crystal dot-matrix graphic

displays. It incorporates 176 LCD drive circuits and power-supply circuits. An external capacitor is

also needed for the liquid crystal display.

This LSI, when used with the HD66763 384-channel segment driver with on-chip RAM, is suitable for

color displays of cellular phones to a maximum of 128-by-176 dots.

Features

•

LCD drive circuits

176 outputs

•

Internal power-supply circuit

Step-up circuit: twice to 12 times, positive-polarity inversion

Bias setting: 1/2 to 1/13, programmable

Contrast adjustment: 128-level programmable volume

Dividing resistors: built-in (controls the bias)

Setting: serial transfer from the HD66763 segment driver

•

Low power consumption

Power-supply voltage

Vcc = 1.8 to 3.6 V

•

LCD drive voltage

VLCD-VEE = 10 to 44 V (VM standard: ± 5 to ± 2 2 V)

Package

TCP and chip

12 3 4 5 6 7...38

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