STAC9250 Datasheet, PDF (32/137 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 31. AFG UnsolResp Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
En
RW
0x0
Allow generation of Unsolicited Responses.
Rsvd1
R
0x0
Reserved
Software programmable field returned in top
Tag
RW
0x0
six bits (31:26) of every Unsolicited
Response generated by this node.
5.5.12. AFG GPIO
Get
Set1
Table 32. AFG GPIO Command Verb Format
Verb ID
Payload
F15
00
715
See bits [7:0] of bitfield table
Response
See bitfield table
0000_0000h
Bit
[31:4]
[3]
[2]
Table 33. AFG GPIO Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Data3
Data for GPIO3 (Pin 47/EAPD). If this GPIO
bit is configured as Sticky (edge-sensitive)
RW
0x0
input, it can be cleared by writing zero (one)
here when the corresponding Polarity
Control bit is zero (one).
Data2
Data for GPIO2 (Pin 45). If this GPIO bit is
configured as Sticky (edge-sensitive) input,
RW
0x0
it can be cleared by writing zero (one) here
when the corresponding Polarity Control bit
is zero (one).
IDT™
32
TWO-CHANNEL HD AUDIO CODEC WITH MODEM & DUAL DIGITAL MICROPHONE INTERFACES
STAC9250/9251
V 1.1 102706