48‑Kbyte RAM in an LQFP100 package

• USB FS

• ST MEMS motion sensor, 3-axis digital output gyroscope

• ST MEMS system-in-package featuring a 3D digital linear acceleration sensor

and a 3D digital magnetic sensor

• Ten LEDs:

– LD1 (red) for 3.3 V power on

– LD2 (red/green) for USB communication

– Eight user LEDs: LD3/10 (red), LD4/9 (blue), LD5/8 (orange) and LD6/7

(green)

• 1 user and reset push-buttons

– USB FS Mini-B connector

– ST-LINK Mini-B USB connector

– Extension header for all LQFP100 I/Os for quick connection to prototype board and easy probing

• Flexible power-supply options:

– ST-LINK USB connector or USB FS connector

– External 3 V or 5 V supply voltage

• On-board debugger/programmer ST-LINK/V2 for PCB version A or B, or STLINK/V2-B for PCB version C and newer:

– Debug port

– Mass storage and Virtual COM port with ST-LINK/V2-B only

• Support of a wide choice of Integrated Development Environments (IDEs) including IAR™, Keil®, and STM32CubeIDE