STAC9250 Datasheet, PDF (26/137 Pages) Integrated Device Technology – TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
5.5.3. AFG Type
Get
Table 14. AFG Type Command Verb Format
Verb ID
Payload
F00
05
Response
See bitfield table
Bit
[31:9]
[8]
[7:0]
Table 15. AFG Type Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Unsol
This node is capable of generating an
R
0x1
unsolicited response, and will respond to
the Unsolicited Response verb
(Verb ID 708h).
NodeType
R
0x01
Node type = Audio Function Group
5.5.4. AFG GrpCap
Get
Table 16. AFG GrpCap Command Verb Format
Verb ID
Payload
F00
08
Response
See bitfield table
Bit
[31:17]
[16]
[15:12]
[11:8]
Table 17. AFG GrpCap Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd3
R
0x0
Reserved
BeepGen
R
0x1
Optional Beep Generator is present
Rsvd2
R
0x0
Reserved
InputDelay
Typical latency = 13 frames.
Number of samples between when the
R
0xD
sample is received as an analog signal at
the pin and when the digital representation
is transmitted on the HD Audio link.
IDT™
26
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706