Preliminary
16-CHARACTER 6-LINE LCD
DRIVER with JAPANESE KANJI ROM
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GENERAL DESCRIPTION
The NJU6645 is a 16-character 6-line (16x16dots size
Japanese Kanji) or 96 x 256 dots LCD driver with
Japanese Kanji ROM.
It contains 8-bit parallel or serial interface, instruction
decoder, character generator ROM/RAM, common and
segment drivers, bleeder resistor and voltage booster.
The NJU6645 supports the character font of JIS level-1
and level-2, non-kanji and half-size character and symbol.
It is suitable for the low operation voltage and low power
applications by low operating voltage 2.4 to 3.6V.
NJU6645
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PACKAGE OUTLINE
NJU6645CJ
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FEATURES
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16-character 6-line Kanji Character Display or 96 x 256 dots Graphic Display LCD controller driver
LCD Driver Output : 96-common x 256-segment + 2-icon com
8-bit Parallel Interface
Serial Interface
Display Data RAM
1,536 bits
at Full-size 96 Characters
Character Generator ROM
:JIS Level-1 Kanji 16 x 16 dots 2,965 fonts
:JIS Level-2 Kanji 16 x 16 dots 3,388 fonts
:JIS Non-Kanji
16 x 16 dots 524 fonts
:Half Size Display
8 x 16 dots 256 fonts
Character Generator RAM
24,576 bits
8 x 16 dots 192 fonts
Icon Display RAM
512 bits
Maximum 512 icons
Duty Ratio
1/18, 1/34, 1/50, 1/66, 1/82, 1/98 (Programmable)
Bias Ratio
1/4 ~ 1/11 (Programmable)
Common and Segment driver Location order Select Function (Programmable)
Common Wiring Select Function
Useful Instruction Set
RE Flag Set, Status Read, Display Clear, Cursor Home, Display Control,
Stand-by, Cursor Control, Display / Entry Mode, Scroll Start Line,
Scroll Start Row, Display Start Line, Display Duty Ratio, N-line inversion,
Driver Output Control, Oscillation Control, Discharge, Boost Level,
Bias Ratio, Electrical Volume, Power Control, RAM Address Set,
Address Shift, RAM Data Writing / Reading
Built-in Voltage Boost
2 to 6-time
Built-in Electrical Volume
128-step
Oscillation Circuit
External Resistor Required
Built-in Bleeder Resistor
Operating Voltage
+2.4 to 3.6V
LCD Driving Voltage
+4.5 to 17.0V
Operation Temperature Range
-40 to +85°C
C-MOS Technology (P-sub )
Package Outline
Bump Chip
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Ver.2009-05-20
-1-
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