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WM8860 View Datasheet(PDF) - Wolfson Microelectronics plc

Part Name
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WM8860
Wolfson
Wolfson Microelectronics plc Wolfson
WM8860 Datasheet PDF : 184 Pages
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WM8860
STEREO LINE PLAYBACK
Stereo line playback is supported using the VOUT2LP, VOUT2LN, VOUT2RP and VOUT2RN pins;
these provide a differential stereo output through the DAC2 node. These outputs are intended for
line-level loads; the differential configuration provides noise rejection, particularly in the case of
lengthy signal tracks. An external differential to single-ended converter should be used for connection
to an external stereo jack. This path can provide two channels of a multi-channel playback system,
operating alongside the other DAC path.
The WM8860 nodes associated with this function are shown in Figure 12.
Figure 12 Stereo Differential Line Playback Path
This section provides a summary of the DAC2 and Port-G nodes, and describes the vendor-specific
verb functions associated with each.
DAC2 (NID = 07h)
Table 23 gives a summary of the DAC2 node:
NODE SUMMARY INFORMATION
NID
07h
Widget Type
Audio Converter
Supported Get Verbs
Ah, Bh, F00h, F05h, F06h, F08h, F8Eh
Supported Set Verbs
2h, 3h, 705h, 706h, 708h, 78Eh
Unsolicited Responses
Stream Error
Vendor-Specific Verbs
F8Eh, 78Eh : Unsolicited Response Priority Control Verb
Table 23 DAC2 Node Summary Information
w
PP, April 2011, Rev 3.2
51
 

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