STAC9250 Datasheet, PDF (88/137 Pages) Integrated Device Technology – TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES

STAC9250/9251
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
Table 187. PortAPin UnsolResp Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[6]
Rsvd1
R
0x0
Reserved
Software programmable field returned in top
[5:0]
Tag
RW
0x00
six bits (31:26) of every Unsolicited
Response generated by this node.
5.16.7. PortAPin Sense
Get
Set1
Set2
Table 188. PortAPin Sense Command Verb Format
Verb ID
Payload
F09
00
709
See bits [7:0] of bitfield table
709
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
0000_0000h
Table 189. PortAPin Sense Command Response Format
Bit Bitfield Name RW
Reset
Description
[31]
Present
R
0x0
1 = something is plugged into jack associated with Pin
Complex.
[30:0] Impedance
Measured impedance of the widget. A value of all 1
R
0x7FFF_FFFF
indicates that a valid sense reading is not available, or
the sense measurement is busy if it has been recently
triggered. Overlaps RightCh.
[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
IDT™
88
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706