This part is a kind of semiconductor called ATSAM4E16CA.

Function of this product has SMART ARM-based Flash MCU.

Manufacturers : Atmel

Image and pinout :

Some of the text within the PDF file :

SAM4E Series Atmel | SMART ARM-based Flash MCU DATASHEET Description The Atmel® | SMART SAM4E series of Flash microcontrollers is based on the high-performance 32-bit ARM® Cortex®-M4 RISC processor and includes a floating point unit (FPU). It operates at a maximum speed of 120 MHz and features up to 1024 Kbytes of Flash, 2 Kbytes of cache memory and up to 128 Kbytes of SRAM. The SAM4E offers a rich set of advanced connectivity peripherals including 10/100 Mbps Ethernet MAC supporting IEEE 1588 and dual CAN. With a singleprecision FPU, advanced analog features, as well as a full set of timing and control functions, the SAM4E is the ideal solution for industrial automation, home and building control, machine-to-machine communications, automotive aftermarket and energy management applicati [ ... ]

ATSAM4E16CA PDF Datasheet Download