STAC9271 Datasheet, PDF (45/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 43. AFG GPIODir Command Response Format
Bit
Bitfield Name
RW
Reset
Description
Direction control for GPIO3
[3]
Control3
RW
0x0
0= GPIO signal is configured as input
1= GPIO signal is configured as output
Direction control for GPIO2
[2]
Control2
RW
0x0
0= GPIO signal is configured as input
1= GPIO signal is configured as output
Direction control for GPIO1
[1]
Control1
RW
0x0
0= GPIO signal is configured as input
1= GPIO signal is configured as output
Direction control for GPIO0
[0]
Control0
RW
0x0
0= GPIO signal is configured as input
1= GPIO signal is configured as output
6.2.16. AFG GPIOWakeEn
Table 44. AFG GPIOWakeEn Command Verb Format
Verb ID
Payload
Response
Get
F18
00
See bitfield table.
Set1
718
See bits [7:0] of bitfield table.
0000_0000h
Bit
[31.:5]
[4]
[3]
Table 45. AFG GPIOWakeEn Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd
R
0x0
Reserved
Wake enable for GPIO4:
0 = wake-up event is disabled;
W4
RW
0x0
1= when Azalia link is powered down (RST#
is asserted), a wake-up event will trigger a
Status Change Request event on the link.
Wake enable for GPIO3:
0 = wake-up event is disabled;
W3
RW
0x0
1= when Azalia link is powered down (RST#
is asserted), a wake-up event will trigger a
Status Change Request event on the link.
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
45
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007