GT9128 Datasheet

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G-TIME

Electronic Co., Ltd.

General Description

GT9128

Segment-type 32x4 LCD Driver

The GT9128A is a memory mapped segment-type LCD driver which has 128 patterns . It

can easily interface to microprocessor or microcontroller via a serial interface like accessing the

serial EEPROM. There are only three or four lines required for communication with the host

CPU.

Features

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Operates on 2.4V to 5.25V

Lower power CMOS process.

Compact package. ( 7.0x7.0 mm

2

square

)

On chip built-in 256kHz oscillator

Serial EEPROM like access interface

Up to 4 common and 32 segment output.

Support 1/2,1/3, or 1/4 duty display.

Support 1/2 ,1/3 bias for LCD power display.

Programmable timer output for external control.

Selectable 2kHz or 4kHz base frequency output.

Power down mode to reduce power consumption.

Applications

Portable sets, cameras, telephones, radio, VCD players, DVD players, MP3 players, digital

recorder, home appliance and those applications using LCD display.

Typical Application Block Diagram

G-TIME Electronic Co., Ltd.,

reserves the right to change products or specifications without notice.

铮?003

G-TIME Electronic Co., Ltd.,

G-TIME

is a trademark of

G-TIME Electronic Co., Ltd.,

GT9128

Rev. 1.01

March 2003

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