NJU6818
Preliminary
80-Common X 104RGB-Segment in 4096-Color
STN LCD DRIVER
GENERAL DESCRIPTION
The
NJU6818
is a STN LCD driver with 80-common x
104RGB-segment in 4096-color. It consists of 312-
segment drivers (104xRGB), 80-common drivers, serial
and parallel MPU interface circuits, internal power supply
circuits, gradation palettes and 99,840-bit for graphic
display data RAM.
Each segment driver outputs 16-gradation level out of 32-
gradation level of the gradation palette.
Since the
NJU6818
provides low operating voltage of 1.7V
and low operating current, it is ideally suited for battery-
powered handheld applications.
PACKAGE OUTLINE
NJU6818CJ
FEATURES
4096-color STN LCD driver
LCD drivers
80-commons, 104RGB-segments
Display data RAM (DDRAM)
99,840-bit for graphic display
Color display mode
16-gradation level out of 32-gradation level of the gradation palette
Black & white display mode
80x312 pixels in 16-gradation level or 80x312 pixels in B&W
256-color driving mode
8/16bit parallel interface directly-connective to 68/80 series MPU
Programmable 8- or 16-bit data bus length for display data
3-/4-line serial interface
Programmable duty and bias ratios
Programmable internal voltage booster (Maximum 6-times)
Programmable contrast control using 128-step EVR
Chip Identification (ID)
Various instructions
Display data read/write, Display ON/OFF, Reverse display ON/OFF, All pixels ON/OFF,
Column address, Row address, N-line inversion, Initial display line, Initial COM line, Read-modify-write,
Gradation mode control, Increment control, Data bus length, Discharge ON/OFF,
Duty cycle ratio, LCD bias ratio, Boost level, EVR control, Power save ON/OFF, etc
Low operating current
Low logic supply voltage
1.7V to 3.3V
LCD driving supply voltage
5.0V to 18.0V
C-MOS technology
Rectangle out look for COG
Package
Bumped chip / TCP
2002/08/26
-1-
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