This part is a kind of semiconductor called AT90SC6464C-USB.

Function of this product has Secure Microcontroller.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features General • High-performance, Low-power AVR® (AVR3 Core) Enhanced RISC Architecture – 133 Powerful Instructions (Most Executed in a Single Clock Cycle) Low-power Idle and Power-down Modes Bond Pad Locations Conforming to ISO 7816-2 ESD Protection to ± 6000V Operating Ranges: – ISO Mode: 2.7V to 5.5V; PC Industry Compliant – USB Mode: 3.6V to 5.5V; Compliant with USB Specification V1.1 • Available in Wafers, Modules and Industry-standard Packages • • • • Secure Microcontroller AT90SC6464C-USB Summary Memory • 64K Bytes of EEPROM, Including 64-byte OTP Area and 64-byte Bit-addressable Area – 1 to 128-byte Program/Erase – 2 ms Program, 2 ms Erase – Typically More than 500,000 Write/Erase Cycles – 10 Years Data Retention • 64K Bytes of Flash Program Me [ ... ]

AT90SC6464C-USB PDF Datasheet Download