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STAC9220 Datasheet, PDF (98/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC
STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31]
[30:0]
[0]
[0]
Table 177. PortA 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
6.14.8. PortA ConfigDefault
Table 178. PortA ConfigDefault Command Verb Format
Verb ID
Payload
Get
F1C
00
Set1
71C
See bits [7:0] of bitfield table
Set2
71D
See bits [15:8] of bitfield table
Set3
71E
See bits [23:16] of bitfield table
Set4
71F
See bits [31:24] of bitfield table
Response
See bitfield table
0000_0000h
0000_0000h
0000_0000h
0000_0000h
Bit
[31:24]
[23:16]
Table 179. PortA ConfigDefault Command Response Format
Bitfield Name
RW
Reset
Description
Config4
RW
0x02
Configuration bits used by software to determine
devices attached to the CODEC.
Config3
RW
0x21
Configuration bits used by software to determine
devices attached to the CODEC.
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
98
STAC9220/9221/9223
V 0.96 102706