NUCLEO-F446RE STM32 Nucleo-64 Development Board

STM32 Nucleo-64 development board with STM32F446RE MCU
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NUCLEO-F446RE STM32 Nucleo-64 Development Board Specification

  • STM32 microcontroller in LQFP64 package 
  • Core: ARM Cortex M4  
  • Interface Type: USB  
  • Data Bus Width: 32 bit  
  • For Use with STM32F  
  • Operating Supply Voltage: 3.3 V, 5 V, 7 V to 12 V
  • External SMPS to generate Vcore logic supply (only available on '-P' suffixed boards) 
  • 1 user LED shared with Arduino™ 
  • 1 user and 1 reset push-buttons 
  • 32.768kHz LSE crystal oscillator 
  • Board expansion connectors:
  • Arduino™ Uno V3
  • ST Morpho extension pin headers for full access to all STM32 I/Os
  • External SMPS experimentation dedicated connector (only available on '-P' suffixed boards)
  • Flexible power-supply options: ST-LINK USB VBUS or external sources 
  • On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability. Three different interfaces supported on USB: mass storage, Virtual COM port and debug port 
  • Comprehensive free software libraries and examples available with the STM32Cube MCU Package 
  • Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, GCC-based IDEs, Arm® Mbed™ 
  • Arm® Mbed Enabled™ compliant (only for some Nucleo part numbers)
  • Unit Weight: 77.111 g

System requirement

  • Windows® OS (7, 8 and 10), Linux® 64-bit or macOS®(a)
  • USB Type-A to Mini-B cable or USB Type-A to Micro-B cable

Development toolchains

  • Keil®: MDK-ARM(b)
  • IAR™: EWARM(b)
  • GCC-based IDEs
  • Arm® Mbed™(c) online(d) (see

STMicroelectronics NUCLEO-F446RE STM32 Nucleo-64 Development Board features the NUCLEO-F446RE MCU and supports Arduino™ and ST Morpho connectivity. The STM32 Nucleo-64 boards are affordable and flexible for trying out new concepts and building prototypes. Choose from the various combinations of performance and power consumption features provided by the STM32 microcontroller. For the compatible boards, the SMPS significantly reduces power consumption in Run mode. Arduino™ Uno V3 connectivity support and the ST Morpho headers allow for easy expansion of the STM32 Nucleo open development platform. A wide choice of specialized shields are available. The STM32 Nucleo-64 board does not require any separate probe as it integrates the ST-LINK/V2-1 debugger and programmer. The STM32 Nucleo-64 board comes with the STM32 comprehensive software HAL library together with various packaged software examples. Also included is direct access to the Arm® Mbed™ online resources.

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