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Features UM1669

8/39 DocID025174 Rev 1

3 Features

The STM32F401 Discovery board offers the following features:

• STM32F401VCT6 microcontroller featuring 256 KB of Flash memory, 64 KB of RAM in

an LQFP100 package

• On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone ST-

LINK/V2 (with SWD connector for programming and debugging)

• Board power supply: through USB bus or from an external 5 V supply voltage

• External application power supply: 3 V and 5 V

• L3GD20, ST MEMS motion sensor, 3-axis digital output gyroscope.

• LSM303DLHC, ST MEMS system-in-package featuring a 3D digital linear acceleration

sensor and a 3D digital magnetic sensor.

• MP45DT02, ST MEMS audio sensor, omnidirectional digital microphone

• CS43L22, audio DAC with integrated class D speaker driver

• Eight LEDs:

– LD1 (red/green) for USB communication

– LD2 (red) for 3.3 V power on

– Four user LEDs:

LD3 (orange), LD4 (green), LD5 (red) and LD6 (blue)

– Two USB OTG LEDs:

LD7 (green) VBus and LD8 (red) over-current

• Two pushbuttons (user and reset)

• USB OTG with micro-AB connector

• Extension header for LQFP100 I/Os for a quick connection to the prototyping board

and an easy probing

ST STM32F401 User Manual

Questions and Answers: