STMicroelectronics X-NUCLEO-GFX01M2

Overview

X-NUCLEO-GFX01M2 from STMicroelectronics is a second-generation SPI-based graphic expansion board for STM32 Nucleo-64 development platforms, featuring a 2.2" QVGA TFT LCD display, 64-Mbit SPI NOR Flash memory, ST morpho interface connectivity, and integrated joystick for GUI navigation. It supports up to two SPI interfaces and targets rapid prototyping of embedded HMI applications.

For engineers reviewing the X-NUCLEO-GFX01M2 datasheet, X-NUCLEO-GFX01M2 pinout, X-NUCLEO-GFX01M2 application, or X-NUCLEO-GFX01M2 equivalent, key selection criteria include dual-SPI capability, Nucleo-64 board compatibility breadth (including F1/F3/G4/WB/WL series), Flash memory size for asset storage, and mechanical integration with ST morpho headers.

Technical Context

The X-NUCLEO-GFX01M2 implements a hardware-accelerated display interface via dedicated SPI peripherals on host Nucleo-64 MCUs, enabling direct framebuffer transfers without CPU overhead. Its 64-Mbit SPI NOR Flash (8 MByte) stores bitmaps, fonts, and UI assets independently of MCU internal memory.

Designed exclusively for evaluation and development, it relies on the X-CUBE-DISPLAY STM32Cube Expansion Package for firmware, leveraging HAL drivers and touchless GUI navigation via the onboard 5-way joystick. No on-board microcontroller or display controller IC is present - all logic executes on the host Nucleo board.

Key Specifications

Availability

X-NUCLEO-GFX01M2 is available at Aetrix Electronics and suitable for embedded HMI prototyping, industrial control panel evaluation, and educational STM32 GUI development requiring stable component supply and full ST ecosystem integration.

Supply support for X-NUCLEO-GFX01M2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, sensors, power management ICs, and development tools for industrial, automotive, and consumer markets.

The X-NUCLEO-GFX01M2 belongs to ST's Nucleo expansion board product line, engineered specifically to extend STM32 Nucleo-64 platforms with standardized, plug-and-play peripheral functionality for rapid proof-of-concept and firmware validation.

FAQ

Is the X-NUCLEO-GFX01M2 compatible with STM32 Nucleo-144 boards?

No. The X-NUCLEO-GFX01M2 is mechanically and electrically designed only for STM32 Nucleo-64 boards using the ST morpho header. It lacks pin alignment and signal mapping for the larger Nucleo-144 form factor and Arduino Uno R3 + ST morpho dual-header layout.

Does the board include a display controller IC or rely on host MCU processing?

It contains no display controller IC. The TFT LCD is driven directly by the host STM32 MCU via SPI using DMA and HAL drivers from the X-CUBE-DISPLAY firmware package. All timing, gamma, and initialization logic runs on the Nucleo board's processor.

What is the purpose of the 64-Mbit SPI NOR Flash memory?

The 64-Mbit SPI NOR Flash stores static UI assets - including bitmap images, font glyphs, and texture maps - allowing the host MCU to load them on demand without consuming internal flash or RAM. It is accessed independently via a dedicated SPI bus.

How does the X-NUCLEO-GFX01M2 differ from the X-NUCLEO-GFX01M1?

The X-NUCLEO-GFX01M2 adds dual-SPI support and extends compatibility to 23 Nucleo-64 boards (including F1, F3, G4, WB, and WL series), whereas the M1 supports only 16 boards and single-SPI operation. Both share identical display, Flash, and joystick hardware but differ in routing and firmware abstraction layer requirements.