GU280X32D-7806A Noritake Company Inc, GU280X32D-7806A Datasheet - Page 5

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GU280X32D-7806A

Manufacturer Part Number
GU280X32D-7806A
Description
VFD MODULE, 280X32, GRAPHIC, 5VDC
Manufacturer
Noritake Company Inc
Datasheet

Specifications of GU280X32D-7806A

Resolution
280 X 32
Viewing Area (h X W)
13.29mm X 137mm
Supply Current
400mA
Supply Voltage Range
4.75V To 5.25V
Operating Temperature Range
-40°C To +85°C
Character Format
Dot Graphic
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
This module features a command set that is LCD compatible, allowing easy replacement in existing equipment with little or no modifications.
Careful consideration should be taken regarding the command execution times of this module. Although the commands can be executed within
40us, which is normal for LCD, busy times are increased when using the scroll write modes and with the cursor enabled. When using the 4-bit
parallel mode, a 40us delay is required between nibbles. Reading back data in 4-bit parallel mode is supported. DD RAM address locations F0H+
are used to access the extended graphic commands. To extend the DDRAM for 160 characters, bank switching is employed using E8/E9
commands.
At power up and reset the module is automatically initialised and ready to receive data. The interface is set to 8-bit, the display is cleared, the
cursor position is set to the top-left corner (DD RAM address = 00H), and the display luminance is set to 100%. The display defaults to 2-line LCD
emulation mode with a 5x7 font.
At power ON the modules internal reset requires at least 8ms before commands can be sent. Please check the busy status. If you connect pin 3 to
the hardware reset using jumper 3, the module will require 3ms to re-initialize. Reset is achieved by high-low-high transition of at least 100ns.
The module contains 6 font sizes, a mini-font, 5x7 pixel, 7x7 pixel, 7x15 pixel, 10x14 pixel,
and a 20x28 pixel font. Graphical text can be written to any part of the display using the
‘Set Graphic Cursor’ command (F0H). Characters are positioned above the current cursor
position. Each character written will include either a one pixel or two pixel space to the right
side of the character. After each character is written to the display, the cursor position is
automatically advanced. If the cursor position reaches the end of the display, the host must
reposition to the next line.
The following example displays two text messages in the center of the display using the
standard 5x7 character font. Command bytes that are underlined should be sent with RS
line low.
The next example displays one line of text using the 10x14 character font. Command bytes
that are underlined should be sent with RS line low.
LCD COMPATIBILITY
DISPLAYING GRAPHICAL TEXT
RESET
In addition to the standard LCD commands, this module includes additional commands to display graphical data, different font sizes, fill, clear
and invert defined areas of the display. Also an outline command is available to draw rectangles around objects. When any of these extended
commands are executed, the module will change to the ‘graphics’ mode of operation. This graphics mode allows text to be written to any part of
the display.
There are many differences the user should be aware of when the display is in this graphics mode: -
The graphics mode is disabled as soon as any valid LCD command is received.
EXTENDED GRAPHIC COMMANDS
Dot Graphic VFD Module
NORITAKE ITRON VFD MODULES
Written data may require additional busy times.
Text data is not written into the DD RAM and therefore can not be read back.
Graphical text can not be shifted onto the display.
The cursor is disabled & cursor direction is set to increment only.
UDF characters cannot be written.
F2H ‘B’
F2H ‘C’
10x14 FONT
5x7 FONT
F0H 00H 8BH 07H
F0H 00H 65H 0FH
F0H 00H 68H 0FH
SET CURSOR
SET CURSOR
DISPLAY TEXT
‘NORITAKE ITRON’
‘VFD MODULES’
‘280x32’
DISPLAY TEXT
Command Structure and Values Copyright 2007 Noritake Co Limited, Japan
Displaying text in the large 10x14 font.
Displaying text using the 5x7 font.
GU280x32D-7806A
0,0
0,7
Cursor Positioning, example of writing 2 characters
GU280x32D-7806A
from cursor position 0,7.
6,7

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