Noritake Itron VFD GU144x40D-K610A4 Dot Graphic VFD Module with high brightness, wide viewing angle, high reliability.
The GU144x40D-K610A4 is a 144 × 40 high‑brightness dot graphic VFD module that includes the VFD glass, driver circuitry and a micro‑controller. It operates from a single 5 V supply and offers three font sizes, graphic capabilities, and configurable I/O lines.
This manual details the electrical and environmental specifications, describes the selectable asynchronous, synchronous and parallel interfaces, and provides full command reference for text, graphics, area operations, macros and brightness control. Setup procedures, key‑scan mode and I/O control examples are also included.
| Display Area | 57.45 × 15.85 mm |
|---|---|
| Dot Size / Pitch | 0.25 × 0.35 mm |
| Luminance | 1100 cd/m² |
| Operating Temperature | -40 °C to +85 °C |
| Supply Voltage (typical) | 5.0 V |
It supports asynchronous, SPI and parallel interfaces, selectable via a push‑button on the back of the module.
Send the command 1BH followed by a level value between F8H (off) and FFH (maximum) to set the brightness.
The default interface is SPI.
The module operates from –40 °C up to +85 °C.