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ST7549T データシート (PDF) - Sitronix Technology Co., Ltd.

ST7549T Datasheet PDF - Sitronix Technology Co., Ltd.
部品番号 ST7549T
ダウンロード  ST7549T ダウンロード

ファイルサイズ   1240.78 Kbytes
ページ   52 Pages
メーカー  SITRONIX [Sitronix Technology Co., Ltd.]
ホームページ  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.
部品情報 68 x 102 Dot Matrix LCD Controller/Driver

ST7549T Datasheet (PDF)

Go To PDF Page ダウンロード データシート
ST7549T Datasheet PDF - Sitronix Technology Co., Ltd.

部品番号 ST7549T
ダウンロード  ST7549T Click to download

ファイルサイズ   1240.78 Kbytes
ページ   52 Pages
メーカー  SITRONIX [Sitronix Technology Co., Ltd.]
ホームページ  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.
部品情報 68 x 102 Dot Matrix LCD Controller/Driver

ST7549T データシート (HTML) - Sitronix Technology Co., Ltd.

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ST7549T 製品詳細

INTRODUCTION

The ST7549T is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segment and 67 common with 1 ICON driver circuits. This chip is connected directly to a microprocessor, accepts 3-line or 4-line serial peripheral interface (SPI), I2C interface or 8-bit parallel interface, display data can stores in an on-chip display data RAM of 68 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.



FEATURES

Single-chip LCD controller & driver



Driver Output Circuits

102 segment / 67 common+1 ICON common (1/68 duty)

102 segment / 32 common+1 ICON common (1/33 duty)

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

(1/33 duty and 1/17 duty are under partial screen mode)



On-chip Display Data Ram

■ Capacity: 68X102=6,936 bits Microprocessor Interface

■ 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

■ I2C (Inter-Integrated Circuit) Interface



On-chip Low Power Analog Circuit

■ Generation of LCD supply voltage (externally VOUT voltage supply is possible)

■ Generation of intermediate LCD bias voltages

■ Oscillator without external components (external clock also possible)

■ Voltage Booster (X2,X3,X4,X5)

■ Voltage Regulator (temperature gradient -0.11%/°C)

■ Voltage Follower

■ On-chip electronic contrast control function (255 steps)



External RESB (reset) pin

Supply voltage range

■ VDD1 -VSS : 1.7 to 3.3V

■ VDD2 -VSS : 2.4 to 3.3V

■ VOUT -VSS : 13.5V (Max.)

Temperature range: -30 to +85 degree Package Type: COG



 




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