5.5 Inch 256×64 OLED Display Module SSD1322 PMOLED SPI 7Pin
5.5-Inch 256x64 OLED Display Module: High-Performance PMOLED with SSD1322 Driver Overview
The 5.5-inch 256×64 OLED Display Module, driven by the SSD1322 controller, is a high-resolution Passive Matrix OLED (PMOLED) with a graphic dot-matrix configuration. It supports a 4-wire Serial Peripheral Interface (SPI) for efficient data transmission and offers a broad viewing angle, making it a suitable choice for industrial, medical, and consumer electronics applications. The display module is available in multiple colors, including white, blue, yellow, and green, ensuring versatility for different design aesthetics.
Key Features and Specifications
Display Characteristics
Display Mode: PMOLED
Color Options: White, Blue, Yellow, Green
Display Format: 256 x 64 Graphic Dot Matrix
Viewing Direction: All Angles
Driver IC: SSD1322
Input Data Interface: 4-Wire SPI
Pin Configuration: 7 Pins
Physical Dimensions
Module Size: 160.0 mm (L) x 50.0 mm (W) x 6.3 mm (Max Thickness)
Active Display Area: 135.65 mm (H) x 33.89 mm (V)
Resolution: 256 (H) x 64 (V) Dots
Pixel Size: 0.5 mm x 0.5 mm
Advantages of the 5.5-Inch OLED Module
Enhanced Visual Performance
Unlike traditional LCDs, OLED displays offer self-emissive pixels that generate their own light, eliminating the need for backlighting. This results in:
High contrast ratios for sharper visuals
Faster response times for smooth motion display
Wide viewing angles ensuring uniform brightness and clarity
SSD1322 Driver IC: Optimized Functionality
The SSD1322 is an advanced OLED driver with integrated RAM, allowing efficient handling of graphics and text rendering. Key benefits include:
16-bit grayscale support for better image rendering
High-speed SPI communication for rapid data updates
Low power consumption, extending device battery life
Broad Application Scope
Thanks to its compact size and high-resolution output, this OLED module is ideal for applications such as:
Industrial Equipment Displays – Machine interfaces, measurement devices
Medical Instruments – Patient monitoring systems, diagnostic tools
Wearable Devices – Smartwatches, fitness trackers
Consumer Electronics – Audio systems, smart home interfaces
Comparison with Other OLED Display Modules
| Feature | 5.5-inch 256×64 OLED | Standard 5-inch OLED | Standard LCD Equivalent |
|---|---|---|---|
| Display Type | PMOLED | AMOLED | LCD |
| Resolution | 256×64 | 240×60 | 256×64 |
| Contrast Ratio | 10,000:1 | 5,000:1 | 1,000:1 |
| Power Consumption | Low | Moderate | High |
| Viewing Angle | 170° | 160° | 120° |
| Interface | 4-Wire SPI | Parallel/Serial | Parallel/Serial |
Integration and Implementation
Interfacing with Microcontrollers
The 4-wire SPI interface makes integration with microcontrollers and development boards straightforward. Popular microcontrollers such as Arduino, STM32, and ESP32 can efficiently drive the OLED module with optimized libraries.
Power Requirements and Efficiency
This OLED module operates at a low power level, ensuring energy-efficient performance suitable for battery-operated devices. The SSD1322’s integrated charge pump and power-saving modes further enhance energy efficiency.
Conclusion
The 5.5-inch 256×64 OLED Display Module with the SSD1322 driver IC offers a superior display solution for applications requiring high contrast, fast response times, and low power consumption. With its broad color options, wide viewing angles, and easy microcontroller interfacing, this display is a highly reliable choice for various industrial and consumer applications.
Drawing
Pin Description
| Pin | Symbol | I/O | Description |
|---|---|---|---|
| 1 | GND | P | Ground (-) |
| 2 | VDD | P | Power supply pin (+) |
| 3 | SCL | I | Serial Clock |
| 4 | SDA | I | Serial Data |
| 5 | RES | I | Reset |
| 6 | D/C | I | Command and Data Select |
| 7 | CS | I | Chip Select |
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Frequently Asked Question
It is a Passive Matrix OLED (PMOLED) display.
It supports a 4-wire Serial Peripheral Interface (SPI).
The display is driven by the SSD1322 IC.
The module is available in white, blue, yellow, and green.
OLEDs offer higher contrast ratios, faster response times, and wider viewing angles due to their self-emissive pixels.
It is commonly used in industrial equipment, medical instruments, wearable devices, and consumer electronics.
The resolution is 256 (H) x 64 (V) dots.
It supports 16-bit grayscale, high-speed SPI communication, and low power consumption.
Yes, it can be integrated with microcontrollers like Arduino, STM32, and ESP32 using SPI communication.
The module size is 160.0 mm (L) x 50.0 mm (W) x 6.3 mm (Max Thickness), with an active display area of 135.65 mm x 33.89 mm.
