This part is a kind of semiconductor called STM32F407VG.

Function of this product has (STM32F405xx / STM32F407xx) ARM Cortex-M4 32b MCU+FPU.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

STM32F405xx STM32F407xx ARM Cortex-M4 32b MCU+FPU, 210DMIPS, up to 1MB Flash/192+4KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 15 comm. interfaces & camera Datasheet - production data Features • Core: ARM® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait state execution from Flash memory, frequency up to 168 MHz, memory protection unit, 210 DMIPS/ 1.25 DMIPS/MHz (Dhrystone 2.1), and DSP instructions • Memories • Up to 1 Mbyte of Flash memory • Up to 192+4 Kbytes of SRAM including 64Kbyte of CCM (core coupled memory) data RAM • Flexible static memory controller supporting Compact Flash, SRAM, PSRAM, NOR and NAND memories • LCD parallel interface, 8080/6800 modes • Clock, reset and supply management – 1.8 V to 3.6 V a [ ... ]

STM32F407VG PDF Datasheet Download