Overview
The NUCLEO-F446RE is a development board from STMicroelectronics, part of the STM32 Nucleo family. It features an ARM Cortex-M4 based STM32F446RE microcontroller, providing a versatile platform for prototyping and development. The board supports a wide range of connectivity options and configurations, including Arduino Uno V3 and ST morpho extension pin headers for full access to all STM32 I/Os. It also includes an on-board ST-LINK/V2-1 debugger/programmer, eliminating the need for a separate probe. The board offers flexible power supply options, including USB VBUS or external sources (3.3V, 5V, 7 - 12V).
Key Specifications
| Specification | Details |
|---|---|
| Microcontroller | STM32F446RET6 in LQFP64 package |
| CPU | ARM® 32-bit Cortex®-M4 with FPU |
| CPU Frequency | Up to 180 MHz |
| VDD Range | 1.7 V to 3.6 V |
| Flash Memory | 512 KB |
| SRAM | 128 KB + 4 KB Backup SRAM |
| Timers | 10 General Purpose, 2 Advanced-Control, 2 Basic |
| SPI | 4 |
| I2C | 3 |
| USART/UART | 4 USART, 2 UART |
| USB | OTG Full Speed and High Speed |
| CAN | 2 |
| ADC | 3 x 12-bit with 16 channels |
| DAC | 12-bit with 2 channels |
| GPIO | 50 with external interrupt capability |
Key Features
- On-board ST-LINK/V2-1 debugger/programmer with SWD connector and USB re-enumeration capability (mass storage, Virtual COM port, and debug port).
- Arduino Uno V3 connectivity and ST morpho extension pin headers for full access to all STM32 I/Os.
- Flexible power supply options: USB VBUS or external sources (3.3V, 5V, 7 - 12V).
- Three LEDs: USB communication (LD1), user LED (LD2), power LED (LD3), and two push-buttons: USER and RESET.
- Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory.
- Comprehensive free software libraries and examples available with the STM32Cube MCU Package.
Applications
The NUCLEO-F446RE is designed for a wide range of applications, including but not limited to:
- Prototyping and development of IoT devices.
- Industrial automation and control systems.
- Consumer electronics and appliances.
- Medical devices and healthcare equipment.
- Automotive systems and telematics.
- Robotics and mechatronics projects.
Q & A
- What microcontroller does the NUCLEO-F446RE use?
The NUCLEO-F446RE uses the STM32F446RET6 microcontroller in an LQFP64 package.
- What is the maximum CPU frequency of the STM32F446RE?
The maximum CPU frequency is up to 180 MHz.
- What are the memory specifications of the STM32F446RE?
The board has 512 KB of Flash memory and 128 KB of SRAM, along with 4 KB of Backup SRAM.
- Does the NUCLEO-F446RE have on-board debugging capabilities?
Yes, it includes an on-board ST-LINK/V2-1 debugger/programmer.
- What are the power supply options for the NUCLEO-F446RE?
The board can be powered via USB VBUS or external sources (3.3V, 5V, 7 - 12V).
- What kind of connectivity does the NUCLEO-F446RE offer?
The board supports Arduino Uno V3 and ST morpho extension pin headers, along with various peripherals like SPI, I2C, USART, UART, USB, and CAN.
- Is the NUCLEO-F446RE compatible with multiple development environments?
Yes, it supports a wide choice of Integrated Development Environments (IDEs) including IAR Embedded Workbench, MDK-ARM, and STM32CubeIDE.
- What are the key features of the STM32F446RE's CPU?
The CPU is an ARM® 32-bit Cortex®-M4 with an FPU and an adaptive real-time accelerator (ART Accelerator).
- Does the NUCLEO-F446RE have any user interface elements?
Yes, it includes three LEDs and two push-buttons (USER and RESET).
- What software support is available for the NUCLEO-F446RE?
Comprehensive free software libraries and examples are available with the STM32Cube MCU Package.
