ST7576 Sitronix Technology, ST7576 Datasheet

ST7576

Manufacturer Part Number

ST7576

Description

Dot Matrix LCD Controller/Driver

Manufacturer

Sitronix Technology

Datasheet

1.ST7576.pdf (54 pages)

Current page: 1 of 54
Download datasheet (944Kb)

Sitronix

1. INTRODUCTION

2. FEATURES

ST7576

ST7576i

Ver 1.0

Single-chip LCD controller & driver

Driver Output Circuits

102 segment / 65 common+1 ICON common (1/66 duty)

102 segment / 16 common+1 ICON common (1/17 duty)

(1/17 duty is under partial screen mode)

On-chip Display Data Ram

Microprocessor Interface

On-chip Low Power Analog Circuit

The ST7576 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segments

and 65 common with 1 ICON driver circuits. This chip is connected directly to a microprocessor, accepts 3-line or 4-line

serial peripheral interface (SPI), I

data RAM of 66 x 102 bits. It performs display data RAM read/write operation with no external operating clock to

minimize power consumption. In addition, because it contains power supply circuits to drive liquid crystal, it is possible

to make a display system with the fewest components.

Capacity: 66X102=6,732 bits

8-bit parallel bi-directional interface with

6800-series or 8080-series

4-line SPI (serial peripheral interface) available

(only write operation)

3-line SPI (serial peripheral interface) available

Generation of LCD supply voltage

C (Inter-Integrated Circuit) Interface

6800 , 8080 ,

4-Line , 3-Line interface

(without I

C interface

C interface or 8-bit parallel interface, display data can stores in an on-chip display

C interface)

66 x 102 Dot Matrix LCD Controller/Driver

1/54

External RESB (reset) pin

Logic supply voltage range

Display supply voltage range (V0)

Temperature range: -30 to +85 degree

Generation of intermediate LCD bias voltages

Oscillator requires no external components

(external clock also possible)

Voltage converter X4; X5

Voltage follower

On-chip electronic contrast control function (255

steps)

Application Vop range: 4V-9.5V

Programmable Max V0: 10.5V

DD1

DD2

-V

: 1.8 to 3.3V

: 2.4 to 3.3V

ST7576

www.DataSheet4U.com

2007/01/29

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