PT6554L Просмотр технического описания (PDF) - Princeton Technology

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PT6554L

LCD Driver IC

Princeton Technology 

LCD Driver IC

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT6554

DESCRIPTION

PT6554 is a high performance Liquid Crystal Display (LCD) Driver IC utilizing CMOS Technology

specially designed with Key Input Function. It can drive up to a maximum of 164 segments and control

up to 4 general purpose output ports. It includes a Key Scan Circuit that can support up to 30 key inputs

and provides On-Chip Voltage Detection Type Reset Circuit which prevents incorrect display. Display

Data can be directly displayed without using any decoder. PT6554 also supports both 1/4 duty-1/2 bias

and 1/4 duty-1/3 bias drive techniques. Pin assignments and application circuit are optimized for easy

PCB Layout and cost saving advantages.

FEATURES

• CMOS Technology

• Up to 164 Segment Drivers (4 Com x 41 Seg)

• Up to 4 General Purpose Output Ports

• Key Input Function

• 1/4 Duty-1/2 Bias and 1/4 Duty-1/3 Bias Drive Techniques

• Sleep Mode & All Segment OFF Function

• On-Chip Voltage Detection Type Reset Circuit

• RC Oscillation Circuit

• Available in 64 pins, QFP or LQFP Package

APPLICATION

• Electronic Equipment with LCD Display

PT6554 v1.1

-1-

April, 2004

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