This part is a kind of semiconductor called OS81110.

Function of this product has cPHY Evaluation Board User Guide.

Manufacturers : Microchip

Image and pinout :

Some of the text within the PDF file :

® OS81110 cPHY Evaluation Board User’s Guide AIS14001 V1.0.0 Supporting MOST® Networks Media Oriented Systems Transport  2014 Microchip Technology Inc. MAY 2014 DS60001267B-page 1 OS81110 cPHY Evaluation Board User’s Guide Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operati [ ... ]

OS81110 PDF Datasheet Download