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Futaba's GP9002A01A is a graphic display module using a 12864 Vacuum Flourescent Display.
 
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NA402SD10
 
 
 
Product Features
 
Module
Number
Rows X
Characters
Character
Format
Character
Height
Module
Dimensions
Typical
Power
Luminance
NA402SD10 2 x 40 5 x 8 5.34 mm 182 x 33.5 x 18.7 mm 5V, 220 mA 500 cd/m2
 
  • Parallel and Synchronous Serial Interfaces
  • Excellent Contrast
  • Low Power Consumption
  • Wide Temperature Range
    (-40C to +85C)
  • Self-Illuminating, No Backlight Required
  • Wide Viewing Angle
  • 8 User Definable Characters
 
  • Various Colors Using Filters
  • 4 Luminance Levels
  • Busy Bit Always Zero
  • External or Internal Reset
  • English-Katakana or
    English-European Font
  • 2 MHz Data Rate
 
General Info
 
The Futaba LCD Emulator Vacuum Fluorescent Display (VFD) modules consist of a multiple character by multiple or single line 5x8 dot matrix display, DC-DC/AC converter, and controller/driver circuitry. The modules are designed to be directly compatible with industry standard liquid crystal display (LCD) modules that utilize the Hitachi HD44780U LCD controller/driver. The modules 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, which are "don't care" bits for LCD modules. Additional options include English-Katakana or English-European character font, with or without a connector, and internal or external reset function.

A primary advantage of these modules over industry standard LCD modules is that they have a dual-port RAM that allows data and instructions to be sent to them continuously. Thus, the busy flag is always 0 and the host never has to read the busy flag bit to determine if the modules are busy. Due to this feature, the execution times for each instruction are not specified.

 
     
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