This part is a kind of semiconductor called VT1705.

Function of this product has High Definition Audio Codec.

Manufacturers : VIA

Image and pinout :

Some of the text within the PDF file :

Data Sheet VT1705 High Definition Audio Codec June 11, 2009 Revision 1.1 Free Datasheet http://www.datasheet4u.com/ Data Sheet VT1705 High Definition Audio Codec i Revision History Rev 1.0 1.1 Date Mar. 26, 09 Jun. 11, 09 Initial TL TL Note Initial external release Updated descriptions, changed Karaoke Mode and Dynamic Range Control as optional software features in Section 1 Product Features Updated signal descriptions of Pin 14 and Pin 15 in Section 6.2 Corrected register descriptions in Section 8.3.1 Get Parameter Verb (Verb ID = F00h), 8.6.1 Get Parameter Verb (Verb ID = F00h), 8.6.6 Amplifier Gain/Mute Verbs (Verb ID = Bh & 3h), 8.10.6 Right Channel Sense (Verb ID = F09h & 709h), 8.10.7 Pin Widget Configuration Default Verbs (Verb ID = F1Ch & 71Ch-71Fh), 8.11.1 Get Parameter Verb ( [ ... ]

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