Onboard -LINK/V2-1 debugger/programmer with USB re-enumeration capabilities: mass storage, virtual COM port and debug port Comprehensive free software libraries and examples available in the STM32Cube package Supports multiple integrated development environments (IDEs), including IAR™, Keil®, GCC-based IDEs, Arm® Mbed™ Compliant with Arm® Mbed Enabled™ (only available on certain Nucleo part numbers) The Zio connector expands for V3 connectivity, the headers provide an to extend the functionality of the Nucleo open development platform, and a wide range of dedicated are available. STM32 microcontroller in LQFP144 package External SMPS generates Vcore logic supply (only available on "-P" suffix boards) Ethernet compliant with IEEE-802.3-2002 (depending on STM32 support) USB OTG or Full-Speed Device (depending on STM32 support) 3 user LEDs 2 user and reset buttons 32.768 kHz crystal oscillator Board connectors: USB with Micro-AB Ethernet RJ45 (depending on STM32 support) Zio connector, including for V3 form factor Flexible power supply options: -LINK USB VBUS or external power The product appearance and printed words depending on the batch, but this does not affect use. Colour:As Shown Material:PCB Package Contents: 1 * board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.