The STM32 Nucleo-G431KB board (part of the Nucleo-32 range) offers a cost-effective and versatile platform for experimenting with new concepts and developing prototypes. Based on the powerful STM32G431KB microcontroller, it offers a balance of performance and power efficiency, ideal for a wide range of embedded applications. This board follows the tried and tested layout of the Arduino Nano V3, allowing easy expansion with a variety of compatible shields and accessories. It includes an integrated ST-LINK debugger/programmer, eliminating the need for an external probe. Like other Nucleo-32 boards, it is fully supported by the STM32Cube MCU Package, which includes a rich set of free software libraries and example code to accelerate development.
Features / Specs
- Manufacturer: ST Microelectronics
- Product Range: Nucleo-32
- Model: Nucleo-G431KB
- Board Reference: MB1430
- MCU: STM32G431KBT6 (ARM Cortex-M4 32-bit RISC core with FPU)
- CPU Speed (Max): 170MHz (with ART Accelerator for zero‑wait‑state Flash execution)
- Flash Memory: 128kB
- SRAM: 22kB
- External Oscillator(s): 1x 24MHz HSE Crystal Oscillator
- Power Supply Options: ST-LINK USB VBUS or external 3.3VDC / 5VDC / 7–12VDC Sources
- Operating Voltage Range: 1.71V – 3.6VDC
- USB Connector Type: Female Micro USB Port
- I/O Pins: Up to ~32 GPIO pins with interrupt support (Several 5V Tolerant – Check datasheet)
- Communication Peripheral(s): 4x UxART / 3x SPI / 3x I2C / CAN-FD Support / 2x I2S Half Duplex / SAI
- Timer(s): Up to 14 (5x 16-bit General Purpose / 2x 16-bit Basic Timers / 1x 16-bit Low Power Timer / 1x 32-bit Timer / 2x Watchdog Timers / 1x SysTick Timer)
- Analog Peripheral(s): 2x 12-bit ADC / 4x 12-bit DAC / 4x Comparators (Rail to Rail) / 3x Op-Amps (PGA)
- On-Board Connectivity & Headers: USB 2.0 Full-Speed / Arduino Nano V3 Headers
- Programming & Debugging: Integrated ST‑LINK/V3E debugger/programmer with USB re-enumeration capability (Mass storage / Virtual COM port / Debug port)
- LEDs & Buttons: Power LED (LD3) / User LED (LD2) / USB Comms LED (LD1) / Reset Tactile Button
- Development Support: Supports STM32CubeIDE, IAR, ARM Keil, GCC‑based IDEs / Includes STM32Cube HAL libraries, middleware, example projects and access to ARM mbed resources
- Dimensions: ~(50.29mm x 18.54mm)
- Header Pin Pitch: 2.54mm