The STM32 Nucleo-L432KC 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 STM32L432KC 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-L432KC
- Board Reference: MB1180
- MCU: STM32L432KC (ARM Cortex-M4 32-bit RISC core with FPU, MPU & DSP Instructions)
- CPU Speed (Max): 80MHz (with ART Accelerator for zero‑wait‑state Flash execution)
- Flash Memory: 256kB
- SRAM: 64kB
- External Oscillator(s): 1x 32.768kHz 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 ~20 GPIO pins with interrupt support (Most 5V Tolerant – Check datasheet)
- Communication Peripheral(s): 2x USART / 1x ULP UART / 2x SPI / 1x Quad SPI / 2x I2C / 1x CAN 2.0B / SAI / SWPMI
- Timer(s): Up to 11 (2x 16-bit General Purpose / 2x 16-bit Basic Timers / 2x 16-bit Low Power Timers / 1x 16-bit Advanced Motor Control Timer / 1x 32-bit Timer / 2x Watchdog Timers / 1x SysTick Timer)
- Analog Peripheral(s): 1x 12-bit 5MSPS ADC / 2x 12-bit DAC / 2x Ultra Low Power Comparators / 1x Operational Amplifier with PGA
- On-Board Connectivity & Headers: USB 2.0 Full-Speed / Arduino Nano V3 Headers
- Programming & Debugging: Integrated ST‑LINK/V2-1 debugger/programmer with USB re-enumeration capability (Mass storage / Virtual COM port / Debug port)
- LEDs & Buttons: User LED (LD3) / Power 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