92HD81 Datasheet, PDF (76/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
BPwd
APwd
Bits
R/W
1
RW
Power down Port B.
0
RW
Power down Port A.
Default
0h
0h
Reset
POR
POR
7.4.27. AFG (NID = 01h): AnaBeep
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
Get
FEE00h
Byte 1 (Bits 7:0)
7EEh
Field Name
Rsvd
Gain
Enable
Bits
R/W
Default
Reset
31:3
R
0000000h
N/A (Hard-coded)
Reserved.
2:1
RW
3h
POR
Analog PC Beep Gain: 0h = -24dB, 1h = -18dB, 2h = -12dB, 3h = -6dB.
0
RW
0h
POR
Analog PC Beep Enable: 1 = Analog PC beep enabled, 0 = Analog PC beep
disabled.
7.4.28. AFG (NID = 01h): AnaBTL YC and YD Revisions
Reg Byte 4 (Bits 31:24) Byte 3 (Bits 23:16) Byte 2 (Bits 15:8)
Set
7F6h
7F5h
Get
FF400h
Byte 1 (Bits 7:0)
7F4h
Field Name
Rsvd4
Bits
R/W
31:30
R
Reserved.
Default
0h
Reset
N/A (Hard-coded)
IDT CONFIDENTIAL
76
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81