
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
IDT
8-CHANNEL HIGH DEFINITION AUDIO CODEC
114
STAC9227/9228/9229/9230V 1.0 MARCH 2007
IDT CONFIDENTIAL
6.13.8.
PortA ChSense
6.13.9.
PortA ConfigDefault
Table 219. PortA ChSense
Command Verb Format
Verb ID
Payload
Response
Get
F09
00
See bitfield table.
Set1
709
See bits [7:0] of bitfield table.
0000_0000h
Set2
709
See bits [7:0] of bitfield table.
0000_0000h
Table 220. PortA ChSense
Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31]
PresDtct
R
0x0
1 = something is plugged into jack
associated with Pin Complex.
[30:0]
Impedance
R
0x7FFF_FFFF
Measured impedance of the widget. A value
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.
[0]
RightCh
W
0x0
Set 1 = perform impedance sensing on right
channel or ring of the connector
[0]
LeftCh
W
0x0
Set 0 = perform impedance sensing on left
channel or tip of the connector
Table 221. PortA ConfigDefault
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 [7:0] of bitfield table.
0000_0000h
Set3
71E
0000_0000h
Set4
71F
See bits [7:0] of bitfield table.
0000_0000h