92HD92 Datasheet, PDF (64/306 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD92
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
2.29.2.25. PortA PinWCntrlVRefEn Register
This register reset by POR/DAFG/ULR. Writing to NID22h verb 77F will also cause reset
Register Address
Bit
Label
7:3 RSVD
0x40
PortA_VrefEn
2:0 Vref
Type Default
Description
RO 00000 RESERVED
RW 000
Vref selection for Port A. See VrefCntrl field of PinCap
parameter for supported selections
000 = Hi-Z
001 = 50%
010 = GND
011 = Reserved
100 = 80%
101 = 100%
110 = Reserved
111 = Reserved
2.29.2.26. PortA InAmpLeftGain Register
This register reset by POR/DAFG/ULR. Writing to NID22h verb 77F will also cause reset
Register Address
0x41
PortA_GainL
Bit
Label
7:2 RSVD
1:0 AInGainL
Type Default
Description
RO 000000 RESERVED
RW 00
Input gain step number for Port A. See InAmpCap parameter
pertaining to this widget
2.29.2.27. PortA InAmpRightGain Register
This register reset by POR/DAFG/ULR. Writing to NID22h verb 77F will also cause reset
Register Address
0x42
PortA_GainR
Bit
Label
7:2 RSVD
1:0 AInGainR
Type Default
Description
RO 000000 RESERVED
RW 00
Input gain step number for Port A. See InAmpCap parameter
pertaining to this widget
2.29.2.28. DMic0 InAmpLeftGain Register
This register reset by POR/DAFG/ULR. Writing to NID22h verb 77F will also cause reset
Register Address
0x43
DMic0_GainL
Bit
Label
7:2 RSVD
1:0 DMIC0InGainL
Type Default
Description
RO 000000 RESERVED
RW 00
Input gain step number for DMic0. See InAmpCap parameter
pertaining to this widget
IDT™ CONFIDENTIAL
64
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD92