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BL55070

更新时间： 2024-11-02 12:50:55

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BL55070 技术参数

Shanghai Belling Corp., Ltd

BL55070

zip: 200233 Tel: 86-021-64850700 Fax: 86-021-64855865

LCD Driver for 140 Display Units BL55070

1 General Description

The BL55070 is a general LCD driver IC for 140 units LCD panel. It features a wide

operating supply voltage range, incorporates simple communication interface with

microcomputer and is suitable for multiple application.

2 Features

ꢀ

Advanced low power CMOS Technology

Selection of 1/2 or 1/3 bias, selection of 1/2 or 1/3 or 1/4 duty.

Operation voltage: 2.5~5.5V

Serial data interface

140(35x4) Display Units

Low power dissipation design: Power saving mode: Idd=14uA at 5V and Idd=9uA at

3.3V; Sleeping mode: Idd<2uA

ꢀ

On-chip RC oscillator

VLCD for adjusting LCD operating voltage

Excellent EMC immunity

Compatible with general microcomputer

LQFP44 package

3 Pin Assignment

Fig 1

12 3 4 5 6 7

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