STAC9227 Datasheet, PDF (120/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
6.14.8. PortB ChSense
Get
Set1
Set2
Table 237. PortB 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]
[0]
[0]
Table 238. PortB 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.
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
6.14.9. PortB ConfigDefault
Table 239. PortB 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
See bits [7:0] of bitfield table.
0000_0000h
Set4
71F
See bits [7:0] of bitfield table.
0000_0000h
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
120
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007