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.

Driver Output Circuits
- 8 common outputs / 80 segment outputs
Applicable Duty Ratio

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