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PRODUCTS
1. FEATURES
This vacuum fluorescent display (VFD) module consists of a 16 character by 2 line 58 dot matrix display, DC-DC/AC converter, and controller/driver circuitry.
The module can be configured for a Motorola M68-type parallel interface, an Intel I80-type parallel interface, or a synchronous serial interface.
A character generator ROM with 240 5X8 characters is provided along with RAM for the user to program an additional 8 characters. The luminance level of the VFD can be varied by setting two bits in the function set instruction.
Two hundred and thirty eight character fonts consisting of a alphabets, katakanas, numerals and other symbols can be displayed.
This module has a dual-port RAM that allows data and instructions to be the module continuously. Thus, the busy flag is always 0 and the host never has to read the busy flag bit to determine if the module is busy.
Due to this feature, the execution times for each instruction are not specified.
2. SPECIFICATIONS
2-1. GENERAL SPECIFICATIONS
|
Item |
Value |
|
|
Number of characters |
16 characters X 2 lines |
|
|
Character configuration |
5X8 dot matrix |
|
|
Display Area |
11.5 X 51.6 mm |
|
|
Character Size |
5.34 X 2.10 mm |
|
|
Character Pitch |
6.16 X 3.30 mm |
|
|
Dot Size |
0.58 X 0.34 mm |
|
|
Dot Pitch |
0.68 X 0.44 mm |
|
|
Peak Wavelength of Illumination |
Green (λp=505nm) |
|
|
Luminance |
Minimum 350 cd/m2 |
Typical 500 cd/m2 |
2-2. ENVIRONMENTAL SPECIFICATIONS
|
Item |
Symbol |
Min. |
Max. |
Unit |
Comment |
|
Operating Temperature |
Topr |
-40 |
+85 |
°C |
|
|
Storage Temperature |
Tstg |
-40 |
+85 |
°C |
|
|
Operating Humidity |
Hopr |
20 |
85 |
%RH |
Without condensation |
|
Storage Humidity |
Hstg |
20 |
90 |
%RH |
Without condensation |
|
Vibration |
− |
− |
4 |
G |
Total amplitude: 1.5mm Freq: 10-55 Hz sine wave Sweep time: 1 min./cycle Duration: 2hrs./axis (X,Y,Z) |
|
Shock |
− |
− |
40 |
G |
Duration: 11ms Wave form: half sine wave 3 times/axis (X,Y,Z,-X,-Y,-Z) |
3. MECHANICAL DRAWING
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