92HD005 Datasheet, PDF (119/205 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
3.4.16. DigMic0 Node (NID = 0x17)
3.4.16.1. DigMic0 WCap
Table 254. DigMic0 WCap Command Verb Format
Verb ID
Payload
Get
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 255. DigMic0 WCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
Type
Pin Complex widget.
R
0x4
Type = 4h (Pin Complex) if DMIC enabled,
Type = Fh (Vendor Defined) otherwise
Delay
R
0x0
Number of sample delays through widget
Rsvd1
R
0x0
Reserved
SwapCap
R
0x0
No left/right channel swap capability
PwrPrsnt
R
0x0
No support for Power State control
DigitalStrm
Widget supports an Analog stream (since
the digital microphone input is a SDM signal
R
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
ProcPrsnt
R
0x0
No Processing Controls parameter
Stripe
R
0x0
No support for striping
FrmtOverride
R
0x0
N/A for pin complex
No amplifier info; use default amplifier
AmpOverride
R
0x0
parameters from Audio Function node
instead.
OutAmpPrsnt
R
0x0
No output amplifier
IDT™
119
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06