STAC9250 Datasheet, PDF (126/137 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
Table 293. DigMicPin WCap (for STAC9251 only) Command Response Format
Bit
Bitfield Name RW Reset
Description
[1]
InAmpPrsnt
R
0x0
No input amp
[0]
Stereo
R
0x1
Stereo widget
5.25.2. DigMicPin Cap (STAC9251 only)
Table 294. DigMicPin Cap (for STAC9251 only) Command Verb Format
Verb ID
Payload
Response
Get
F00
0C
See bitfield table
Table 295. DigMicPin Cap (for STAC9251 only) Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:17]
Rsvd2
R
0x0
Reserved
[16]
EapdCap
R
0x0
This widget does not control EAPD pin
[15:8]
VRefCntrl
R
0x00
VRef generation not supported by this pin
complex.
[7]
Rsvd1
R
0x0
Reserved
[6]
BalancedIO
R
0x0
Pin complex does not have balanced pins.
[5]
InCap
R
0x1
Pin complex is input capable.
[4]
OutCap
R
0x0
Pin complex is not output capable.
[3]
HPhnDrvCap
R
0x0
Pin does not have a headphone amplifier.
[2]
PresDtctCap
R
0x0
Pin complex cannot perform Presence
Detect.
[1]
TrigRqd
R
0x0
N/A
[0]
ImpSenseCap
R
0x0
Pin complex does not support impedance
sense.
IDT™
126
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706