This part is a kind of semiconductor called AR8236.

Function of this product has Six-Port Fast Ethernet Switch.

Manufacturers : Atheros

Image and pinout :

Some of the text within the PDF file :

Data Sheet December 2009 AR8236 Six-Port Fast Ethernet Switch General Description The AR8236 is a highly integrated Six-port Fast Ethernet switch with non-blocking switch fabric, a high-performance lookup unit with 1024 MAC address, 16 VLAN table, and a four-traffic class Quality of wireless AP router, home gateway, and xDSL/PON/cable modem platform. The Fast Ethernet in the AR8236 complies fully with IEEE 802.3 standards. The AR8236 implements power saving techniques to Service (QoS) engine. The AR8236 has the flexibility to support various networking facilitate low power consumption. The AR8236 is designed to work in all applications. The AR8236 support many environments. True Plug-n-Play is offload functions to increase the system supported with Auto-Crossover, Auto performanc [ ... ]

AR8236 PDF Datasheet Download