202 Character LCD Display STN With English&Japanese Library
Introduction to the 202 Character LCD Display STN
The 202 Character LCD Display STN module with English and Japanese library offers a reliable and versatile solution for a wide range of display applications. With a size of 82.6mm x 18.4mm, this LCD is equipped with a 20×2 character configuration, ideal for delivering clear text and data. Featuring an STN (Super-Twist Nematic) liquid crystal display mode, the module provides high-quality visibility at a 6 o’clock viewing angle. It is controlled by the SPLC780D or an equivalent IC, using a 1/16 duty cycle and 1/5 bias driving method. The display operates via a standard 8-bit or 4-bit MPU interface, ensuring easy integration into various systems. With an LED backlight for improved visibility and a wide operating temperature range, the 202 Character LCD Display is suitable for use in diverse environmental conditions.
Key Features and Specifications
| Feature | Specification |
|---|---|
| Display Type | STN |
| Display Size | 82.6mm x 18.4mm |
| Character Configuration | 20×2 Lines |
| Controller IC | SPLC780D or Equivalent |
| LCD Mode | STN |
| Driving Method | 1/16 Duty; 1/5 Bias |
| Viewing Angle | 6 o’clock direction |
| Interface | 6800 serial 8-bit/4-bit MPU |
| Backlight | LED |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -30°C to +80°C |
Overview of the STN LCD Technology
The Super-Twist Nematic (STN) liquid crystal display technology is well-regarded for providing high contrast and improved viewing angles compared to traditional twisted nematic (TN) displays. STN LCDs are particularly well-suited for applications where moderate brightness and clarity are required, while still maintaining low power consumption. This makes them ideal for various embedded systems, industrial control panels, and consumer electronics.
In this 202-character LCD display module, the STN technology delivers excellent readability even in environments with varying lighting conditions. The 6 o’clock viewing angle ensures that the display can be easily read from a wide range of positions, enhancing user experience.
Benefits of Using STN LCDs
- High Contrast: STN technology enhances the clarity of characters, ensuring easy readability.
- Wide Viewing Angle: The 6 o’clock orientation provides superior visibility, minimizing glare and distortion.
- Low Power Consumption: Compared to other display technologies, STN LCDs are energy-efficient, making them ideal for battery-powered applications.
Design and Operation
The 202 Character LCD Display utilizes the SPLC780D or an equivalent controller IC. This IC is responsible for managing the data that is displayed on the screen, ensuring that text and characters are properly rendered according to the input from the connected microcontroller or processor. The driving method used is 1/16 duty and 1/5 bias, a common configuration for achieving optimal performance in terms of clarity and power efficiency.
The module supports both 8-bit and 4-bit communication modes via the 6800 serial interface, providing flexibility in terms of integration with different microcontrollers and embedded systems. This versatility makes the 202 Character LCD Display a popular choice for engineers and designers looking for a cost-effective, high-performance solution.
Key Considerations for System Integration
- Microcontroller Compatibility: The display can interface with most microcontrollers supporting 6800 serial communication, including popular platforms like Arduino, Raspberry Pi, and various ARM-based microcontrollers.
- Voltage Requirements: The module operates with a standard 5V power supply, making it easy to integrate with typical 5V systems.
- Backlight Control: The LED backlight enhances the visibility of the display, particularly in low-light conditions. The backlight’s power consumption can be adjusted to meet specific application needs.
Environmental Suitability
The 202 Character LCD Display is designed to operate within a wide temperature range, from -20°C to +70°C during operation, and -30°C to +80°C when stored. This makes the display suitable for a variety of environments, including industrial, automotive, and outdoor applications where temperature fluctuations are common.
Additionally, the use of an LED backlight ensures that the display remains readable even in dimly lit conditions, further extending its suitability for diverse applications. Whether used in handheld devices, control panels, or even consumer electronics, this module is engineered to withstand a range of environmental challenges.
Operating Temperature Range
| Condition | Temperature Range |
|---|---|
| Operating | -20°C to +70°C |
| Storage | -30°C to +80°C |
Conclusion
The 202 Character LCD Display STN module is a highly versatile, energy-efficient, and reliable solution for displaying text in a variety of systems. With its wide viewing angle, high contrast, and broad temperature range, it stands out as an excellent choice for embedded systems, industrial applications, and consumer electronics. The inclusion of an English and Japanese character library further enhances its functionality, making it suitable for a global market. Whether integrated into handheld devices, control panels, or other systems, this display module offers a stable and clear interface for users, ensuring smooth and efficient operation across various industries.
Drawing
Pin Description
| ITEM | SYMBOL | LEVEL | FUNCTIONS |
|---|---|---|---|
| 1 | VSS | 0V | Power Ground |
| 2 | VDD | +5V | Power Supply For Logic |
| 3 | V0 | — | Contrast adjust |
| 4 | RS | H/L | H:data L:command |
| 5 | R/W | H/L | H:read L:write |
| 6 | E | H. H→L | Enable signal |
| 7-14 | DB0-DB7 | H/L | Data Bus |
| 15 | LEDA | +5V | Power supply For LED Backlight |
| 16 | LEDK | 0V | Power supply For LED Backlight |
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Frequently Asked Question
The 202 Character LCD Display uses STN (Super-Twist Nematic) technology, which provides high contrast and improved viewing angles compared to traditional twisted nematic displays.
The display measures 82.6mm x 18.4mm, making it compact and suitable for a wide range of applications.
The module supports 20 characters per line and has 2 lines, for a total of 40 characters.
STN technology offers higher contrast, better visibility at wide angles, and lower power consumption compared to traditional TN displays, making it ideal for embedded systems and industrial applications.
The viewing angle is 6 o’clock direction, ensuring clear visibility from various angles and minimizing glare and distortion.
- Operating temperature range: -20°C to +70°C
- Storage temperature range: -30°C to +80°C
The display is equipped with an LED backlight, which enhances readability, especially in low-light environments.
The display supports a 6800 serial interface, which can be configured for 8-bit or 4-bit communication with the connected microcontroller or processor.
The driving method is configured for 1/16 duty cycle and 1/5 bias, which helps balance performance, clarity, and power efficiency.
The display uses the SPLC780D controller IC, or an equivalent, to manage the display output.
