APM32F411 OLED Driver Solution

January 09, 2024 Industrial

Geehy's OLED driver solution is based on the highly adaptable APM32F411 MCU, leveraging its exceptional performance, energy efficiency, and configurable features. The incorporation of the QSPI interface facilitates high-speed serial communication, ensuring seamless image rendering with a superior refresh rate on OLED displays.


Key Features of APM32F411 OLED Driver Solution


2.1-inch OLED Screen with APM32F411 MCU

▪ Integrated QSPI dedicated communication interface with DMA support for rapid and reliable data transfer. Enhanced bandwidth for receiving image data, achieving impressive refresh rates for an elevated user experience.

▪ Precision Timing: Advanced timers generating accurate timing signals ensure data is transmitted to the OLED precisely, ensuring a stable display.

▪ Environmental Monitoring, Adaptive Brightness Control: Connects to environmental sensors through ADC, enabling real-time data collection on temperature, humidity, light intensity, etc., and automatic OLED brightness adjustment.

▪ Rich Peripherals: Supports USART, I2C, CAN, and other peripheral interfaces, catering to diverse application design needs for human-machine interaction.

▪ Applications: Ideal for electronic labels, stage lighting, POS machines, marine instruments, in-vehicle displays, medical monitors, and more. Widely applicable in smart homes, medical devices, consumer electronics, and various human-machine interaction display scenarios.


APM32F411 OLED Driver Solution Block Diagram


Key Advantages of APM32F411 MCU


▪ High-Performance Core

Based on the Arm® Cortex®-M4F core, operating at a main frequency of 120MHz, providing robust computing capability for efficient data processing in OLED display solutions.


▪ Efficient Image Processing

Integrated QSPI interface supports efficient image processing algorithms, delivering smooth and clear image displays on OLED screens.

 Precision Real-Time Sampling

Built-in two sets of 12-bit 2.4Mbps ADC modules meet the independent real-time sampling needs of OLED display control solutions, ensuring swift responses to environmental changes.


▪ Large Capacity and High Adaptability

Offers 512KB Flash, 128KB SRAM large storage space, supports QSPI, SDIO, and USB peripherals, meeting the requirements for extensive data processing, storage, and OTA functionality in OLED solutions.


China has achieved significant technological breakthroughs in OLED manufacturing, enhancing its global market competitiveness. Geehy, addressing high-end market demands, will further refine the APM32 series industrial-grade MCU product line, providing innovative solutions with higher performance, energy efficiency, and reliability to drive upgrades across various industry applications.