GENERAL DESCRIPTION
The NJU6539 is a 10-common x 65-segment bitmap LCD driver to display graphics or characters.
It contains 650 bits display data RAM, microprocessor interface circuit, common and segment drivers, key scan circuit, and general output ports.
An image data from MPU through the serial interface is stored into the 650 bits internal displayed on the LCD panel through the commons and segments drivers.

FEATURES
● Direct Correspondence between Display Data RAM and LCD Pixel
● Display Data RAM : 650-bits
● LCD Drivers : 65-seg, 10-com
● Serial interface (SIO, SCL, CS)
● Programmable Duty Ratio 1/8 Duty, 1/9 Duty, 1/10Duty
● Bias Ratio 1/4 bias
● 25-key scan Function (5 x 5 matrix) Needless for anti-reverse current diodes in key scan
● General Output Ports with 128-steps PWM output (possible LED driving) maximum 4-ports
● Useful Instruction Set
    Display ON/OFF, Page Address Set, Column Address Set, ADC Select, Inverse Display ON/OFF, whole display ON/OFF, Reset, EVR Register Set, Duty Select, Power Save mode set, General Output Port set, General Output Port PWM data set, PWM slope set, PWM program Execute, General Output Port / Key scan output select, Display Data write,
● Bleeder Resistance On-chip
● Software Contrast Control (16 steps)
● Operating Voltage
    Logic Operating Voltage 2.7 to 5.5V
    LCD Driving Voltage 5.0 to 10.0V
● Package Outline QFP100-G1 QFP100-C2
● C-MOS Technology (Substrate: P)