STAC9227 Datasheet, PDF (154/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
6.21. DMic0 Node (NID = 0x13)
6.21.1. DMic0 WCap
Get
Table 337. DMic0 WCap Command Verb Format
Verb ID
Payload
F00
09
Response
See bitfield table.
Bit
[31:24]
[23:20]
[19:16]
[15:12]
[11]
[10]
[9]
[8]
[7]
[6]
[5]
[4]
[3]
[2]
Table 338. DMic0 WCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Type
R
0x4 = Enabled
0xF = Disabled
Widget type = Pin Complex
Delay
R
0x0
Number of sample delays through widget
Rsvd1
R
0x0
Reserved
SwapCap
R
0x0
No left/right channel swap capability
PwrCntrl
R
0x0
No support for Power State control
DigitalStrm
R
Widget supports an Analog stream (since
the digital microphone input is a SDM signal
0x0
that needs to be processed by the digital
filters, it is not a true bit for bit digital stream
like I2S or SPDIF where samples are
passed through unchanged)
ConnList
R
0x0
No connection list is present
UnsolCap
R
0x0
No support for Unsolicited Response
ProcWidget
R
0x0
No Processing Controls parameter
Stripe
R
0x0
No support for striping
FormatOvrd
R
0x0
N/A for pin complex
AmpParamOvrd
R
No amplifier info; use default amplifier
0x0
parameters from Audio Function node
instead.
OutAmpPrsnt
R
0x0
No output amp
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
154
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007