STAC9250 Datasheet, PDF (127/137 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
5.25.3. DigMicPin Ctl (STAC9251 only)
Table 296. DigMicPin Ctl (for STAC9251 only) Command Verb Format
Verb ID
Payload
Response
Get
F07
00
See bitfield table
Set1
707
See bits [7:0] of bitfield table
0000_0000h
Bit
[31:6]
[5]
[4:0]
Table 297. DigMicPin Ctl (for STAC9251 only) Command Response Format
Bitfield Name RW Reset
Description
Rsvd2
R
0x0
Reserved
InEn
RW
0x0
1 = (CODEC) input path of Pin Widget is enabled
Rsvd1
R
0x0
Reserved
5.25.4. DigMicPin Config (STAC9251 only)
Table 298. DigMicPin Config (for STAC9251 only) Command Verb Format
Verb ID
Payload
Response
Get
F1C
00
See bitfield table
Set1
71C
See bits [7:0] of bitfield table
0000_0000h
Set2
71D
See bits [15:8] of bitfield table
0000_0000h
Set3
71E
See bits [23:16] of bitfield table
0000_0000h
Set4
71F
See bits [31:24] of bitfield table
0000_0000h
Table 299. DigMicPin Config (for STAC9251 only) Command Response Format
Bit
Bitfield Name RW Reset
Description
[31:30]
Port
RW
0x1
External Port Connectivity of the Pin Complex.
1 = no physical connection
[29:24]
Location
RW
0x10 Physical location of the jack. 10h = Internal, N/A
[23:20]
Device
RW
0xA
Default Device, indicating intended use of jack.
A = Mic In
IDT™
127
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706