This part is a kind of semiconductor called NCT6776D.
Function of this product has LPC I/O.
Manufacturers : novoTon
Image and pinout :

Some of the text within the PDF file :
NCT6776F / NCT6776D Nuvoton LPC I/O Date: July 12th, 2011 Revision 1.2 NCT6776F / NCT6776D Table of Contents – 1. GENERAL DESCRIPTION . 1 2. FEATURES . 2 3. BLOCK DIAGRAM .. 6 4. PIN LAYOUT... 7 5. PIN DESCRIPTION [ ... ]
NCT6776D PDF Datasheet Download
