G649DX5R010: 16x2 FSTN Character LCD Module for Industrial & Embedded Systems
Engineering Product Analysis: G649DX5R010
Content last revised on October 12, 2025.
The G649DX5R010 Dot Matrix LCD Module is engineered to accelerate embedded HMI design, featuring an integrated, industry-standard controller and a versatile transflective display. With core specifications of 16x2 Characters | -20°C to +70°C Operating Range | 1.2mA Logic Current, this module delivers two primary engineering benefits: rapid firmware development and clear readability in varied lighting conditions. It simplifies system integration by incorporating an HD44780-compatible SPLC780D controller, allowing engineers to leverage widely available, pre-existing code libraries. For power-conscious handheld instruments requiring clear data presentation across a wide temperature range, the G649DX5R010 is an optimal HMI solution.
Key Parameter Overview
Decoding the Specs for Rapid System Integration
The technical specifications of the G649DX5R010 are tailored for efficiency and reliability in embedded applications. The parameters are grouped by function to facilitate engineering evaluation.
| Display Characteristics | |
|---|---|
| Display Format | 16 Characters x 2 Lines |
| LCD Type | FSTN, Positive, Transflective |
| Viewing Direction | 6 O’clock |
| Backlight | LED (Yellow-Green) |
| Character Font | 5 x 8 Dots |
| Electrical & Optical Specifications (Ta=25°C, VDD=5.0V) | |
| Supply Voltage for Logic (VDD) | 5.0V (Typ.) |
| Supply Current for Logic (IDD) | 1.2 mA (Typ.) |
| Supply Current for Backlight (ILED) | 16 mA (Typ.) |
| Controller IC | SPLC780D or Equivalent (HD44780 Compatible) |
| Mechanical & Environmental Parameters | |
| Module Size (W x H x T) | 80.0 x 36.0 x 10.0 mm |
| Viewing Area (W x H) | 64.5 x 13.8 mm |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
Download the G649DX5R010 datasheet for detailed specifications and performance curves.
Application Scenarios & Value
System-Level Benefits in Instrumentation and Control
The G649DX5R010 is engineered for applications where clear data presentation, reliability in harsh conditions, and low power draw are paramount. Its feature set makes it a strong candidate for a variety of professional and industrial devices.
- Handheld Diagnostic Tools: In devices like network cable testers or automotive code readers, battery life is critical. The G649DX5R010's low logic current (1.2mA typ.) and transflective screen, which is readable in sunlight without the backlight, directly contribute to longer operational time between charges.
- Industrial Control Panels: The wide operating temperature range of -20°C to +70°C ensures consistent performance on factory floors, in unheated warehouses, or within control cabinets subject to significant temperature swings. This is a key differentiator compared to standard consumer-grade displays.
- Medical and Lab Equipment: For devices such as infusion pumps or benchtop measurement instruments, presenting critical data like flow rates or readings without ambiguity is essential. A crisp, clear character display provides this information efficiently without the complexity and higher power draw of a full graphical TFT-LCD.
A key engineering challenge in developing portable field instrumentation is ensuring screen readability under fluctuating light conditions. The G649DX5R010's transflective FSTN panel directly solves this by using strong ambient light to its advantage, making the screen more visible. In low light, the power-efficient LED backlight can be activated. While the G649DX5R010 is engineered for concise data readouts in compact devices, systems requiring full graphical interfaces and high-resolution video might utilize panels such as the G215HAN01.0.
Technical Deep Dive
Leveraging the Integrated Controller for Simplified Design
A significant value of the G649DX5R010 lies in its built-in SPLC780D controller, which is functionally compatible with the industry-defining Hitachi HD44780. This integration has direct, positive implications for the design cycle. Think of the controller as a universal translator for the display. Instead of your microcontroller needing to learn a unique, complex language to control individual pixels, it sends simple, standardized commands like "display this character here," and the controller handles all the low-level execution.
This module supports both 8-bit and 4-bit parallel communication modes, offering a crucial trade-off for system architects. Choosing between these modes is like deciding between a two-lane and a one-lane road to deliver a message. The two-lane road (8-bit mode) transmits each data byte in a single cycle, but it occupies eight valuable I/O pins on the microcontroller. The one-lane road (4-bit mode) sends the data in two half-byte nibbles, taking two cycles but requiring only four I/O pins. For many modern, pin-constrained embedded systems, this I/O efficiency is a decisive advantage, freeing up pins for other critical functions like sensors, buttons, or communication interfaces.
Frequently Asked Questions (FAQ)
What is the primary benefit of the integrated SPLC780D controller?
Its main advantage is the dramatic reduction in firmware development time. Because it is compatible with the ubiquitous Hitachi HD44780 standard, engineers can utilize a vast ecosystem of existing, proven code libraries and tutorials for nearly any microcontroller platform, enabling rapid integration.
How does the transflective FSTN screen technology impact usability in outdoor applications?
It allows the display to be read clearly in bright, direct sunlight by reflecting ambient light, which means it doesn't have to rely on the power-intensive backlight. This dual-mode capability makes it highly versatile for devices used both indoors and outdoors while optimizing battery life.
What does the -20°C to +70°C operating temperature range mean for system design?
This industrial-grade temperature range certifies the G649DX5R010 for reliable deployment in environments where commercial-grade displays would experience performance degradation or outright failure. It is suitable for unheated outdoor enclosures, factory floor industrial control panels, and field service equipment exposed to the elements.
Product Evaluation & Next Steps
The G649DX5R010 offers a robust, straightforward solution for adding a human-machine interface to demanding embedded applications. Its combination of a standard controller, versatile display technology, and industrial-grade resilience provides a low-risk, high-value path for system development. For complete technical documentation to qualify this component for your design, please download the official datasheet. Our technical support team is available to assist with your specific application requirements.
