80-Common X 104 RGB LCD Driver for 4,096-Color STN Display

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

Description :

The NJU6818 is an 80-common × 104 RGB LCD driver for 4,096-color STN display. It contains common drivers, RGB drivers, a serial and a parallel MPU interface circuit, an internal LCD power supply, grayscale palettes and 99,840-bit display data RAM. The segment drivers for RGB (Red, Green, Blue) independently produce optimum 16 grayscales from a built-in 32-grayscale palette, and the LSI achieves 4, 096 colors (16×16×16).

In addition, the NJU6818 operates with a low voltage of 1.7V and a low operating current, therefore it is ideally suited for battery-powered handheld applications.

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  • 4,096-color STN LCD driver
  • Built-in LCD Drivers (80-common Drivers×104 RGB Drivers (312-segment Drivers in B&W))
  • Built-in Display Data RAM (DDRAM) (99,840 bits for Graphic Display)
  • Programmable Display Mode (Variable 16-grayscale Mode: 4,096 Colors, Variable 8-grayscale Mode: 256 Colors, Fixed 8-grayscale Mode: 256 Colors, B&W Mode: Black and White)
  • 8-/16-bit Parallel Interface Selectable
  • 8-/16-bit Bus Length for Display Data Selectable
  • 3-/4-line Serial Interface Selectable
  • Programmable Internal Voltage Booster (Maximum 6 times)
  • Programmable Duty Ratio and Bias Ratio
  • Various Useful Instructions
  • Display-rotation Function / Mirror-inversion Function
  • Programmable Contrast Control (128-step Electrical Variable Resistor (EVR))
  • Low Operating Current (450uA Typical at VDD=3V, 4-time Boost, Checker Flag Display)
  • Low Logic Voltage (1.7V to 3.3V)
  • Wide LCD Voltage Range (5.0V to 18.0V)
  • C-MOS Technology
  • Package (Bump Chip)
Features Similar products
Drives Number of Segments 104 (RGB) / 312 (B & W)  

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On-chip Oscillator Yes  
Control Lines Required Yes  
Operating Temperature (°C) -30 to 85  
Package Chip