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NJU6637 Datasheet

  • NJU6637

  • 16-CHARACTER 3-LINE DOT MATRIX LCD CONTROLLER DRIVER

  • 28頁

  • NJRC

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Preliminary
16-CHARACTER 3-LINE DOT MATRIX LCD
CONTROLLER DRIVER
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GENERAL DESCRIPTION
The
NJU6637
is a 1Chip Dot Matrix LCD controller
driver for up to 16-character 3-line display.
It contains microprocessor Interface circuits, Instruction
decoder controller, character generator ROM/RAM and
common and segment drivers.
The bleeder resistance generates for LCD Bias voltage
Internally.
The CR oscillator Incorporates C and R, therefore no
external components for oscillation are required.
The microprocessor Interface circuits which operate
1MHz frequency, can be connected directly to serial I/F
microprocessor.
The character generator consists of 10,200 bits ROM
and 8 x 5 bits RAM. The standard version ROM is
coded with 255 characters including capital and small
letter fonts.
The 24-common and 80-segment drive up to
16-character 3-line LCD panel which divided two
common electrode blocks.
The rectangle outlook is very applicable to COG.
NJU6637
Preliminary
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PACKAGE OUTLINE
NJU6637CH
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FEATURES
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16-character 3-line Dot Matrix LCD Controller Driver
Serial Direct Interface with Microprocessor
Display Data RAM
:48 x 8 bits : Maximum 16-character 3line Display
Character Generator ROM
:10,200 bits ; 255 characters for 5 x 8 dots
Character Generator RAM
:8 x 5 bits ; 1 Patterns( 5 x 8 dots)
Microprocessor direst accessing to Display Data RAM and Character Generator RAM
High Voltage LCD Driver
:24-common / 80-segment
Duty Ratio
:1/24 Duty
Maximum Display Characters :48 Characters
Common Driver Order Assignment by mask option
Version
COM1 to COM24 (PAD Name)
NJU6637A COM1 to COM24
NJU6637B COM24 to COM1
Useful Instruction Set
Clear Display, Returns Home, Display ON/OFF Cont, Cursor ON/OFF Cont, Display Blink, Cursor Shift,
Character Shift.
Power On Reset / Hardware Reset Function
Oscillation Circuit on chip
Bleeder Resistance on chip
Low Power Consumption
Operating Voltage --- +3V
Package Outline --- Bumped Chip
C-MOS Technology
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Ver.1.1

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