STM32F4DISCOVERY is launched one of ST company in the development of high performance STM32F4 series design.
Development board based on STM32F407 development board design, integration with ST-LINK/V2 simulation downloader (but only provide SWD interface), remove youremulator or download it. Add more acceleration sensor LIS302DL, MP45DT02 digital microphone, loudspeaker drive and a micro-AB USB interface.
ST provides a wealth of examples of procedures, let you more quick start STM32F4 mcu. To unleash your creativity!

Characteristic
STM32F407 micro controller
1024KB FLASH, 192 KB RAM
The 100 pin, LQFP package
Simulation of ST-Link/V2 integrated debugger development board (but only provide SWD interface)
The indicating lamp
LD1:USB communication indicator
LD2:3.3V power indicator
LD3: application of the indicating lamp
LD4: application of the indicating lamp
LD5: application of the indicating lamp
LD6: application of the indicating lamp
LD7:USB OTG LED (VBus)
LD8:USB OTG LED (over-current)

Key
Reset button
The Apply button
Power Supply
By USB 5V
External power supply 5V and 3V
USB OTG FS
Micro-AB

Sensor
LIS302DL (ST MEMS motion sensor, 3-axis digital output accelerometer)
MP45DT02 (ST MEMS audio sensor, omni-directional digital microphone)

Audio driver
CS43L22 (audio DAC with integrated class D speaker driver)
Rule out all the IO port, convenient to do experiments

Package includes:

1PCS Upgarded STM32F407G-DISC1 Stm32f407 Discovery STM32F4 Development Board