This STM32 Nucleo-64 board provides an affordable and flexible way for users to build prototypes with the STM32F401RET6 microcontroller. Arduino Uno v3 and ST morpho headers expand the functionality with a choice of Shields. The integrated ST-LINK/V2-1 debugger/programmer comes with the STM32 comprehensive software HAL library, software examples, as well as direct access to the ARM mbed on-line resources. Supported by wide choice of Integrated Development Environments (IDEs) including IAR, Keil, GCC-based and ARM mbed.

What’s on-board?
• STM32F401RET6 84MHz Cortex-M4F core microcontroller
• 512KB Flash memory
• 96KB SRAM
• Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory
• Up to 12 serial communication interfaces: USART, IrDA, I²C, SPI, USB, I²S, SDIO
• CRC calculation unit
• RTC with subsecond accuracy and hardware calendar
• 96-bit unique ID
• Arduino Uno v3 Shield connectivity
• ST morpho extension pin headers for access to all GPIO
• ST-LINK/V2-1 debugger/programmer with SWD connector
• Flexible board power supply
• USB OTG or FS Device with micro-AB connector
• 3 x LEDs: Power LED, USB communication, User LED
• User and Reset push buttons
• 32.768 KHz crystal oscillator
• ARM mbed Enabled (mbed.org)

STM32F4 Series 32-Bit ARM Cortex-M4 Microcontrollers, STMicroelectronics

The ARM Cortex-M4 based STM32 F4 series of high-performance MCUs with DSP and FPU instructions is an extension of the industry-leading STM32 portfolio towards even higher performance. Up to 180 MHz operating frequency.

Up to 2x USB 2.0 OTG FS/HS
SDIO (Secure Digital Input Output)
USART, SPI, I²C
I²S (Inter-IC Sound) + Audio PLL
16 and 32 Bit Timers
Up to 3x 12-Bit ADC
Low Voltage 1.7 V to 3.6 V