Datasheet > ST7545T

ST7545T

更新时间： 2024-11-29 06:14:31

品牌	Logo	应用领域
矽创 - SITRONIX		驱动器控制器
页数	文件大小	规格书
48页	1270K
描述
66 x 102 Dot Matrix LCD Controller/Driver

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ST7545T 数据手册

Sitronix

ST7545T

66 x 102 Dot Matrix LCD Controller/Driver

1. INTRODUCTION

The ST7545T is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segments

and 65 commons with 1 ICON driver circuits. This chip is connected directly to a microprocessor, accepts 8-bit parallel

interface、3-line or 4-line serial peripheral interface (SPI)、I²C interface, display data can stores in an on-chip display

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.

2. FEATURES

Single-chip LCD controller & driver

Generation of intermediate LCD bias voltages

Oscillator requires no external components

(external clock also supported)

Voltage Booster (x4, x5)

Driver Output Circuits

102-segment x 65-common + 1 ICON

On-chip Display Data ram

Capacity: 66X102=6,732 bits

Voltage regulator(temperature gradient

-0.11%/°C)

Microprocessor Interface

8-bit parallel bi-directional interface with

Voltage follower

6800-series or 8080-series

On-chip electronic contrast control function (128

steps)

4-line SPI (serial peripheral interface) available

(only write operation)

External RESB (reset) pin

Supply voltage range

3-line SPI (serial peripheral interface) available

I²C (Inter-Integrated Circuit) Interface

V_DD1-V_SS: 1.7 to 3.3V

V_DD2-V_SS: 2.4 to 3.3V

V_OUTIN-V_SS: 13.5V (max)

On-chip Low Power Analog Circuit

Generation of LCD supply voltage (external V_OUT

voltage supply is supported)

Temperature range: -30 to +85 degree

6800 , 8080 ,

ST7545T-G2

ST7545Ti-G2

4-Line , 3-Line interface

(without I²C interface)

I²C interface

Ver 1.5

1/48

2006/01/20

12 3 4 5 6 7...48

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