STAC9220 Datasheet, PDF (109/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31:8]
[7]
[6]
[5:0]
Table 207. 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 six
Tag
RW
0x00
bits (31:26) of every Unsolicited Response
generated by this node.
6.16.7. PortC ChSense
Get
Set1
Set2
Table 208. PortC ChSense Command Verb Format
Verb ID
Payload
F09
00
709
See bits [7:0] of bitfield table
709
See bits [15:8] of bitfield table
Response
See bitfield table
0000_0000h
0000_0000h
Bit
[31]
[30:0]
[0]
[0]
Table 209. 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 of
R
0x7FFF_FFFF
all 1s indicates that a valid sense reading is not
available, or the sense measurement is busy if
it has been recently triggered.
RightCh
W
0x0
Set 1 = Perform impedance sensing on right
channel or ring of the connector
LeftCh
W
0x0
Set 0 = Perform impedance sensing on left
channel or tip of the connector
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
109
STAC9220/9221/9223
V 0.96 102706