This part is a kind of semiconductor called 89C5122.

Function of this product has AT89C5122.

Manufacturers : ATMEL Corporation

Image and pinout :

Some of the text within the PDF file :

Features • 80C51 Core : – 6 Clocks per Instruction – Speed up to 16 MHz • 768 Bytes RAM • AT83C5122: 32 Kbytes ROM • AT83C5123: 30 Kbytes ROM • AT85C5122: 32 Kbytes Code RAM and 32 Kbytes ROM • AT89C5122 : 32 Kbytes Flash • AT85EC5122, AT83EC5123, AT83EC5122: Additional 512 Bytes EEPROM (AT24C04) • Multi-protocol Smart Card Interface – Certified According to ISO7816, EMV2000, GIE-CB and WHQM Standards – Asynchronous Protocols T = 0 and T = 1, with Direct and Inverse Modes – Step-up/Down Converter with Programmable Voltage Output: 5V and 3V (60 mA), 1.8V (20 mA) – 4 kV ESD Protection (MIL/STD 833 Class 3) • Alternate Card Support with CLK, IO and RST • USB Module with 7 Endpoints Programmable with In or Out Directions and with ISO, Bulk or Interrupt Transfers [ ... ]

89C5122 PDF Datasheet Download