GENERAL DESCRIPTION
The NJU6678 is a bit map LCD driver to display graphics or characters. It contains 21,120 bits display data RAM, microprocessor interface circuits, instruction decoder, 132-segment and 104-common drivers.

FEATURES
● Direct Correspondence between Display Data RAM and LCD Pixel
● Display Data RAM - 21,120 bits (1.5 times over than display size)
● 236 LCD Drivers - 104-common and 132-segment
● Direct Microprocessor Interface for both of 68 and 80 type MPU
● Serial Interface
● Partial Display Function (2 blocks of active display area and automatic duty cycle ratio selection)
● Easy Vertical Scroll by the variable start line address and over size display data RAM
● Programmable Bias selection ; 1/4,1/5,1/6,1/7,1/8,1/9,1/10,1/11 bias
● Common Driver Order Assignment by mask option
● Useful Instruction Set
    Display Data Read/Write, Display ON/OFF Cont, Inverse Display, Page Address Set, Display Start Line Set, Partial Display, Bias Select, Column Address Set, Status Read, All On/Off, Voltage Booster Circuits Multiple Select(Maximum 5-time), n-Line Inverse, Read Modify Write, Power Saving, ADC Select, etc.
● Power Supply Circuits for LCD; Programmable Voltage Booster Circuits(5-time Maximum), Regulator, Voltage Follower x 4
● Precision Electrical Variable Resistance
● Low Power Consumption
● Operating Voltage --- 2.5V to 3.3V
● LCD Driving Voltage --- 6.0V to 17V
● Package Outline --- COF / TCP / Bumped Chip
● C-MOS Technol