STAC9250 Datasheet, PDF (66/137 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
Bit
[31:8]
[7]
[6]
[5:0]
Table 117. DigInPin 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 lock or
loss-of-lock by SPDIF-in clock recovery circuit.
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.
5.11.6. DigInPin Sense
Get
Set1
Set2
Table 118. DigInPin 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
Bit
[31]
[30:0]
Table 119. DigInPin Sense Command Response Format
Bitfield Name RW Reset
Description
Present
1 = something is plugged into jack associated with
Pin Complex. For this widget, Presence Detect
R
0x0
indicates that the SPDIF-in clock recovery circuit
has locked onto a valid SPDIF-in sampling
frequency. Any change in status will generate an
Unsolicited Response, if enabled with verb 708.
Rsvd
R
0x0
Reserved. Impedance sense not supported for this
Pin Complex.
IDT™
66
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706