92HD81 Datasheet, PDF (267/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
Type
Rsvd2
AmpParOvrd
OutAmpPrsnt
Rsvd1
Bits
R/W
Default
Reset
23:20
R
7h
N/A (Hard-coded)
Widget type:
0h = Out Converter
1h = In Converter
2h = Summing (Mixer)
3h = Selector (Mux)
4h = Pin Complex
5h = Power
6h = Volume Knob
7h = Beep Generator
8h-Eh = Reserved
Fh = Vendor Defined
19:4
R
0h
N/A (Hard-coded)
Reserved.
3
R
1h
N/A (Hard-coded)
Amplifier capabilities override: 1 = yes, no.
2
R
1h
N/A (Hard-coded)
Output amp present: 1 = yes, 0 = no.
1:0
R
0h
N/A (Hard-coded)
Reserved.
7.29.1. DigBeep (NID = 21h): OutAmpCap
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
F0012h
Byte 1 (Bits 7:0)
Field Name
Mute
Rsvd3
StepSize
Bits
R/W
Default
Reset
31
R
1h
N/A (Hard-coded)
Mute support: 1 = yes, 0 = no.
30:23
R
00h
N/A (Hard-coded)
Reserved.
22:16
R
17h
N/A (Hard-coded)
Size of each step in the gain range: 0 to 127 = .25dB to 32dB, in .25dB steps.
IDT CONFIDENTIAL
267
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81