![](http://datasheet.mmic.net.cn/390000/STAC9204X5NBEYYX_datasheet_16835251/STAC9204X5NBEYYX_45.png)
STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
IDT
45
STAC9204/9205
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
3.4.2.15.
AFG GPIOWake
[3]
Control3
RW
0x0
Direction control for GPIO3
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
[2]
Control2
RW
0x0
Direction control for GPIO2
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
[1]
Control1
RW
0x0
Direction control for GPIO1
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
[0]
Control0
RW
0x0
Direction control for GPIO0
0 = GPIO signal is configured as input
1 = GPIO signal is configured as output
Table 48. AFG GPIOWake Command Verb Format
Verb ID
Payload
Response
Get
F18
00
See bitfield table.
Set1
718
See bits [7:0] of bitfield table.
0000_0000h
Table 49. AFG GPIOWake Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:5]
Rsvd
R
0x0
Reserved
[4]
En4
RW
0x0
Wake enable for GPIO4:
0 = wake-up event is disabled;
1 = when HD Audio link is powered down
(RST# is asserted), a wake-up event will
trigger a Status Change Request event on
the link.
[3]
En3
RW
0x0
Wake enable for GPIO3:
0 = wake-up event is disabled;
1 = when HD Audio link is powered down
(RST# is asserted), a wake-up event will
trigger a Status Change Request event on
the link.
Table 47. AFG GPIODir Command Response Format
Bit
Bitfield Name
RW
Reset
Description