WM8860GEFLSLASHV datasheet(57/184 Pages) WOLFSON

57 / 184 page

Pre-Production

WM8860

PP, April 2011, Rev 3.2

Under default conditions, the WM8860 will pack the S/PDIF Tx Channel Status Data with the correct

values of Sampling Frequency and Sample Word Length automatically, taking into account the

various routing options through the chip. This means the Channel Status Data always reflects the

same rate as the physical S/PDIF stream.

If required, this behaviour can be disabled using the vendor-specific Channel Status Data Packing

Configuration Verb. When CSD_MODE is set to 0, the S/PDIF Tx Channel Status Data is completely

defined using the vendor-specifc Tx Channel Status Control Verb.

SET VERB

BIT

BITFIELD

NAME

DEFAULT

DESCRIPTION

785h

CSD_MODE

S/PDIF Transmitter Channel Status Data

Packing Mode:

0 = Manual mode: sample rate and data width

channel status data packed from data sourced

from the Tx Channel Status Control Verb

1 = Automatic mode: sample rate and data

width channel status data packed from data

sourced from the Stream Verb, S/PDIF Verb

S/PDIF OUT (NID = 0Fh)

Table 27 gives a summary of the S/PDIF Out node:

NODE SUMMARY INFORMATION

NID

0Fh

Widget Type

Pin Complex

Supported Get Verbs

F00h, F02h, F07h, F08h, F09h, F1Ch, F8Eh

Supported Set Verbs

707h, 708h, 71Ch, 71Dh, 71Eh, 71Fh, 78Eh

Unsolicited Responses

Presence Detect

Vendor-Specific Verbs

F8Eh, 78Eh : Unsolicited Response Priority Control Verb

Table 27 S/PDIF Out Node Summary Information

The S/PDIF Out node controls the physical output to the SPDIFOUT pin.

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