stac9228d5tae Integrated Device Technology, stac9228d5tae Datasheet - Page 197
stac9228d5tae
Manufacturer Part Number
stac9228d5tae
Description
8-channel High Definition Audio Codec
Manufacturer
Integrated Device Technology
Datasheet
1.STAC9228D5TAE.pdf
(237 pages)
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IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.31. VolumeKnob Node (NID = 0x24)
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.31.1. VolumeKnob WCap
[31:24]
[23:20]
[19:0]
Bit
[3:0]
Bit
Get
Bitfield Name
Rsvd2
Rsvd1
Type
Bitfield Name
Table 466. VolumeKnob WCap
Table 464. ADATOut VCSR0
Table 465. VolumeKnob WCap
ADAT
IDT CONFIDENTIAL
RW
R
R
R
Verb ID
F00
197
0xF = Disabled
RW
RW
0x6 = Enabled
Reset
0x0
0x0
Command Response Format
Command Response Format
Reset
0x0
Command Verb Format
Reserved
Widget type = Volume Knob Widget
Reserved. Software assumes capability of
unsolicited responses and a connection list
for this widget type.
Payload
09
STAC9227/9228/9229/9230V 1.0 MARCH 2007
ADAT Lightpipe Control Used in
conjunction with the ADAT Sample
Rate in the stream converter to
generate the 4 bit ADAT control
signals.
ADAT0 (U0): Time Code FLAG
ADAT1 (U1): MIDI FLAG
ADAT2 (U2):
0 = 44.1 / 48 KHz audio (1X operation)
1 = 88.2 / 96 KHz audio (2X operation)
ADAT3 (U3):
1 = 176.4 / 192 KHz audio (4x
operation). User bits U0 and U1 are
always under software control. User
bits U2 and U3 are also under software
control if ADATFRMT is set. If
ADATFRMT = 0, then bits 3:2 here are
ignored and the bits transmitted as
U3:U2 are controlled by hardware
according to the sample-rate of the
data stream.
Description
Description
See bitfield table.
Response
PC AUDIO
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