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VT1708S Dataheets PDF



Part Number VT1708S
Manufacturers VIA
Logo VIA
Description High Definition Audio Codec
Datasheet VT1708S DatasheetVT1708S Datasheet (PDF)

Data Sheet VT1708S High Definition Audio Codec January 6, 2009 (Released under Creative Commons License) Preliminary Revision 1.0 Data Sheet VT1708S High Definition Audio Codec i Table of Contents Table of Contents ... i List of Figures.. ii List of Tables .....

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Data Sheet VT1708S High Definition Audio Codec January 6, 2009 (Released under Creative Commons License) Preliminary Revision 1.0 Data Sheet VT1708S High Definition Audio Codec i Table of Contents Table of Contents ...................................................................................................................... i List of Figures.......................................................................................................................... ii List of Tables ........................................................................................................................... ii 1 Product Features ................................................................................................................... 1 2 Overview.............................................................................................................................. 2 3 Pinout .................................................................................................................................. 3 4 Pin List................................................................................................................................. 4 5 Pin Description...................................................................................................................... 5 Digital I/O Pins................................................................................................................... 5 Analog I/O Pins .................................................................................................................. 6 Power and Ground .............................................................................................................. 6 6 High Definition Audio Link Protocol .......................................................................................... 7 6.1 Link Signaling............................................................................................................... 7 6.2 Signal Definitions .......................................................................................................... 7 6.3 Signaling Topology ........................................................................................................ 9 6.4 Frame Composition ....................................................................................................... 9 6.5 Output Frame ............................................................................................................. 11 6.6 Input Frame ............................................................................................................... 12 6.7 Reset and Initialization ................................................................................................ 13 6.8 Handling Stream Independent Sample Rates .................................................................. 17 6.9 Power Management ..................................................................................................... 18 6.10 Unsolicited Response Behavior Description ................................................................... 18 7 Widget Description .............................................................................................................. 19 7.1 Node ID List ............................................................................................................... 19 7.2 Root Node (Node ID = 00) ........................................................................................... 20 7.3 Audio Function Group (Node ID = 01) ........................................................................... 21 7.4 Audio Analog Output Converter Widget (Node ID = 10h, 11h, 24h, 25h)............................ 25 7.5 Audio Digital Output Converter (S/PDIF TX) Widget (Node ID = 12h, 15h) ......................... 29 7.6 Audio Analog Input Converter Widget (Node ID = 13h, 14h) ............................................ 32 7.7 Mixer Widget (Node ID = 16h)...................................................................................... 36 7.8 Selector Widget SW0 (Node ID = 17h) .......................................................................... 39 7.9 Selector Widget SW1-SW3 (Node ID = 18h, 26h, 27h) .................................................... 41 7.10 Pin Widget PW0 (Node ID = 19h) ................................................................................ 44 7.11 Pin Widget PW3 (Node ID =1Ch)................................................................................. 47 7.12 Pin Widget PW4 (Node ID =1Dh)................................................................................. 51 7.13 Pin Widget PW6, PW7 (Node ID = 22h, 23h)................................................................. 56 7.14 Pin Widget PW1, PW2 (Node ID = 1Ah, 1Bh) ................................................................ 59 7.15 Pin Widget PW5 (Node ID = 1Eh) HDMI Audio Output Pin............................................... 64 7.16 Pin W.


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