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NJU6821 Datasheet

  • NJU6821

  • 82-common x 128-RGB segment 256-color STN Bitmap LCD Driver

  • 1107.06KB

  • 113頁

  • ETC

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NJU6821
Preliminary
82-common X 128RGB-Segment, in 256-Color
STN LCD DRIVER
!
GENERAL DESCRIPTION
The
NJU6821
is a STN LCD driver with 82-common x
128RGB-segment
in
256-color.
It
consists
of
384(128xRGB)-segment, 82-common drivers, and serial
and parallel MPU interface circuits, internal power supply
circuits, gradation palettes and 81,920-bit for graphic and
2,048-bit for icon display data RAM.
Each segment driver outputs 8-(for R and G) and 4-(for
B) gradation level out of 32-gradation level of gradation
palette.
Since the
NJU6821
provides a low operating voltage of
1.7V and low operating current, it is ideally suited for
battery-powered handheld applications.
In addition, it is possible to drive up to 164 x 128 pixels
LCD panel when use two of
NJU6821
as a master and
slave LSIs.
!
PACKAGE OUTLINE
NJU6821CJ
!
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FEATURES
80 and 2-icon commons, 128RGB-segments, 4RGB-icon segments
81,920-bit for graphic display
2,048-bit for icon display
Color display mode
8-(R and G) or 4-(B) gradation level out of 32-gradation level
of gradation palette
Black & white display mode
82 x 384 pixels in B&W
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 7-times)
Programmable contrast control using 128-step EVR
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 process
Package
Bumped chip / TCP
256-color STN LCD driver
LCD drivers
Display data RAM (DDRAM)
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2002/11/22
-1-

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