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
1