STAC9271 Datasheet, PDF (121/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
6.15.6. PortC UnsolResp
Get
Set1
Table 252. PortC UnsolResp Command Verb Format
Verb ID
Payload
Response
F08
00
See bitfield table.
708
See bits [7:0] of bitfield table.
0000_0000h
Bit
[31.:8]
[7]
[6]
[5.:0]
Table 253. PortC UnsolResp Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x00
Reserved
Allow generation of Unsolicited Responses.
En
RW
0x0
Unsolicited response events occur upon
jack-insertion OR completion of a
Jack-Sense cycle.
Rsvd1
R
0x0
Reserved
Software programmable field returned in top
Tag
RW
0x00
six bits (31:26) of every Unsolicited
Response generated by this node.
6.15.7. PortC ChSense
Get
Set1
Set2
Table 254. PortC ChSense Command Verb Format
Verb ID
Payload
Response
F09
00
See bitfield table.
709
See bits [7:0] of bitfield table.
0000_0000h
709
See bits [7:0] of bitfield table.
0000_0000h
Bit
[31]
[30.:0]
Table 255. PortC ChSense Command Response Format
Bitfield Name RW
Reset
Description
PresDtct
R
0x0
1= something is plugged into jack
associated with Pin Complex.
Impedance
Measured impedance of the widget. A value
R
0x7FFF_FFFF
of all 1's indicates that a valid sense reading
is not available, or the sense measurement
is busy if it has been recently triggered.
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
121
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007