92HD87 Datasheet, PDF (151/204 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+STEREO SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
Rsvd
Mute
Gain
Bits
R/W
Default
Reset
31:8
R
000000h
N/A (Hard-coded)
Reserved.
7
R
0h
N/A (Hard-coded)
Amp mute: 1 = muted, 0 = not muted.
6:0
R
00h
N/A (Hard-coded)
Amp gain step number (see OutAmpCap parameter pertaining to this widget).
8.15.4. DAC2 (NID = 22h): PwrState
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F0500h
Byte 1 (Bits 7:0)
705h
Field Name
Rsvd4
SettingsReset
Rsvd3
Error
Rsvd2
Act
Rsvd1
Bits
R/W
Default
Reset
31:11
R
000000h
N/A (Hard-coded)
Reserved.
10
R
0h
N/A (Hard-coded)
Indicates if any persistent settings in this Widget have been reset. Cleared by
PwrState 'Get', or a 'Set' to any Verb in this Widget.
9
R
0h
N/A (Hard-coded)
Reserved.
8
R
0h
N/A (Hard-coded)
Error indicator: 1 = cannot enter requested power state, 0 = no problem with
requested power state.
7:6
R
0h
N/A (Hard-coded)
Reserved.
5:4
R
0h
N/A (Hard-coded)
Actual power state of this widget.
3:2
R
0h
N/A (Hard-coded)
Reserved.
IDT CONFIDENTIAL
151
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD87