STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 154

• Manufacturer Part Number: STAC9228
• Description: Theater Quality Eight Channel High Definition Audio Codec With Digital Microphone Interface
• Manufacturer: Integrated Device Technology

IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.21. DMic0 Node (NID = 0x13)
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.21.1. DMic0 WCap
[31:24]
[23:20]
[19:16]
[15:12]
[10]
[11]
Bit
[9]
[8]
[7]
[6]
[5]
[4]
[3]
[2]
Get
AmpParamOvrd
Bitfield Name
OutAmpPrsnt
FormatOvrd
ProcWidget
DigitalStrm
SwapCap
UnsolCap
ConnList
PwrCntrl
Rsvd2
Rsvd1
Delay
Stripe
Type
Table 338. DMic0 WCap
Table 337. DMic0 WCap
IDT CONFIDENTIAL
RW
Verb ID
R
R
R
R
R
R
R
R
R
R
R
R
R
R
F00
154
0xF = Disabled
0x4 = Enabled
Reset
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
0x0
Command Response Format
Command Verb Format
Reserved
Widget type = Pin Complex
Number of sample delays through widget
Reserved
No left/right channel swap capability
No support for Power State control
Widget supports an Analog stream (since
the digital microphone input is a SDM signal
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)
No connection list is present
No support for Unsolicited Response
No Processing Controls parameter
No support for striping
N/A for pin complex
No amplifier info; use default amplifier
parameters from Audio Function node
instead.
No output amp
Payload
09
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Description
See bitfield table.
Response
PC AUDIO