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S6A0031

8 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD

Samsung 

8 COM / 80 SEG DRIVER & CONTROLLER FOR STN LCD PRELIMINARY SPEC. VER. 0.5

S6A0031

INTRODUCTION

This character driver and controller LSI for liquid crystal dot matrix display systems can display 1-line of 16

characters with the 5 x 8 dots format. It is capable of interfacing various microprocessors, supporting the 4-bit or

8-bit parallel mode. Voltage follower and bias circuit is built in the IC.

FEATURES

Driver Output Circuits

− 8 common outputs / 80 segment outputs

Applicable Duty Ratio

Font size

5x8

Display size

1-line x 16 characters

Duty

1/8

Contents of outputs

1 x 16 characters

On-chip Display Data RAM

− Character Generator ROM (CGROM): 10,160 bits (254 characters x 5 x 8 dots)

− Character Generator RAM (CGRAM): 80 bits (2 characters x 5 x 8 dots)

− Display Data RAM (DDRAM): 256 bits (16 characters x 1-line + 16 extended characters)

Microprocessor Interface

− 8-bit parallel interface with 6800-series or 8080-series MPU

− 4-bit parallel interface with 6800-series or 8080-series MPU

Function Set

− Simple instruction set

− COM / SEG bi-directional (4 types LCD application available)

− Hardware reset (RESETB)

On-chip Analog Circuit

− Internal RC oscillator circuit

− Voltage follower & bias circuit

− Automatic power on reset circuit

Operating Voltage Range

− Supply voltage (VDD): 2.4 to 5.5 V

− LCD driving voltage (VLCD = V0 - VSS): 6.0V Max.

Low Power Consumption

Package Type

− Gold bumped chip

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