This part is a kind of semiconductor called ATmega169.

Function of this product has 8-bit Microcontroller.

Manufacturers : ATMEL

Image and pinout :

Some of the text within the PDF file :

Features • High Performance, Low Power AVR® 8-Bit Microcontroller • Advanced RISC Architecture – 130 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation – Up to 16 MIPS Throughput at 16 MHz – On-Chip 2-cycle Multiplier • Non-volatile Program and Data Memories – 16K bytes of In-System Self-Programmable Flash Endurance: 10,000 Write/Erase Cycles – Optional Boot Code Section with Independent Lock Bits In-System Programming by On-chip Boot Program True Read-While-Write Operation – 512 bytes EEPROM Endurance: 100,000 Write/Erase Cycles – 1K byte Internal SRAM – Programming Lock for Software Security • JTAG (IEEE std. 1149.1 compliant) Interface – Boundary-scan Capabilities According to the [ ... ]

ATmega169 PDF Datasheet Download