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92HD87 Datasheet, PDF (75/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM
92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
8.3.30. AFG (NID = 01h): Reset
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
FFF00h
Byte 1 (Bits 7:0)
7FFh
Field Name
Rsvd1
Execute
Bits
R/W
Default
Reset
31:8
R
000000h
N/A (Hard-coded)
Reserved.
7:0
W
00h
N/A (Hard-coded)
Function Reset. Function Group reset is executed when the Set verb 7FF is
written with 8-bit payload of 00h. The codec should issue a response to ac-
knowledge receipt of the verb, and then reset the affected Function Group and
all associated widgets to their power-on reset values. Some controls such as
Configuration Default controls should not be reset. Overlaps Response.
8.3.31. AFG (NID = 01h): AuxAudio
Reg Byte 4 (Bits 31:24)
Set
Get
Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
F7400h
Byte 1 (Bits 7:0)
774h
Field Name
Rsvd
MixerPwd
Enable
Bits
R/W
Default
Reset
31:2
R
00000000h
N/A (Hard-coded)
Reserved.
1
RW
0h
POR
Aux Audio Moder mixer powerdown: 0 = Mixer enabled during Aux Audio
Mode, 1 = Mixer forced powered down during Aux Audio Mode.
0
RW
1h
POR
Aux Audio Mode select: 0 = Aux Audio disabled, 1 = Aux Audio enabled during
HDA Link Reset.
IDT CONFIDENTIAL
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©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD87