92HD66B Datasheet, PDF (66/286 Pages) Integrated Device Technology – FOUR CHANNEL HD AUDIO CODECS

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
Field Name
W1
W0
Bits
R/W
Default
Reset
1
RW
0h
POR - DAFG - ULR
Wake enable for GPIO1: 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.
0
RW
0h
POR - DAFG - ULR
Wake enable for GPIO0: 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.
6.7.15. AFG (NID = 01h): GPIOUnsol
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F1900h
Byte 1 (Bits 7:0)
719h
Field Name
Rsvd
EnMask4
EnMask3
EnMask2
EnMask1
Bits
R/W
Default
Reset
31:5
R
00000000h
N/A (Hard-coded)
Reserved.
4
RW
0h
POR - DAFG - ULR
Unsolicited enable mask for GPIO4. If set, and the Unsolicited Response con-
trol for this widget has been enabled, an unsolicited response will be sent when
GPIO2 is configured as input and changes state. (Available only on 48-pin ver-
sions)
3
RW
0h
POR - DAFG - ULR
Unsolicited enable mask for GPIO3. If set, and the Unsolicited Response con-
trol for this widget has been enabled, an unsolicited response will be sent when
GPIO2 is configured as input and changes state.
2
RW
0h
POR - DAFG - ULR
Unsolicited enable mask for GPIO2. If set, and the Unsolicited Response con-
trol for this widget has been enabled, an unsolicited response will be sent when
GPIO2 is configured as input and changes state.
1
RW
0h
POR - DAFG - ULR
Unsolicited enable mask for GPIO1. If set, and the Unsolicited Response con-
trol for this widget has been enabled, an unsolicited response will be sent when
GPIO1 is configured as input and changes state.
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92HD66B