This document describes the features and characteristics of the FUTABA GP1045A13A graphic display module.
The Futaba GP1045A13A is a compact graphic display module that uses a 256×64 VFD. It integrates a VFD, driver ICs, a controller, a Kanji character ROM and an RS‑232C interface, allowing serial communication for displaying Japanese characters and graphics.
The document provides detailed specifications, command sets, safety notices, mechanical drawings and a circuit block diagram, as well as warranty and handling guidelines for reliable integration into host systems.
| Outer dimension (W) | 230.0 mm ±0.8 |
|---|---|
| Outer dimension (H) | 88.5 mm ±0.8 |
| Thickness (T) | 29.3 mm |
| Weight | ≈ 320 g |
| Display area | 163.59 mm × 39.43 mm |
| Resolution | 256 × 64 dots |
| Dot size | 0.39 mm × 0.37 mm |
| Illumination color | Green (λp=505 nm) |
| Supply voltage (Vcc) | 4.5 – 5.5 V DC |
| Power consumption | 9 – 12 W |
The module is designed to operate with a supply voltage of 4.5 V to 5.5 V DC.
Disconnect the power before handling, avoid touching high‑voltage parts, use cotton gloves for the glass VFD, and do not modify the module.
The display contains 256 × 64 pixels (dots).
The VFD emits green light with a peak wavelength of 505 nm.