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AD1986ABSTZ датащи(PDF) 22 Page - Analog Devices

номер детали AD1986ABSTZ
подробное описание детали  AC ??7 and HD Audio SoundMAX Codec
PDF  56 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD1986ABSTZ датащи(HTML) 22 Page - Analog Devices

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AD1986A
Rev. 0 | Page 22 of 56
Table 74.
Register
Function
Left/right volume controls the left/right channel output gains from 0 dB to –46.5 dB.
The least significant bit represents –1.5 dB.
L/RM
L/RV [4:0]
Function
Default
0
0 0000
0 dB
Default
0
0 1111
−22.5 dB attenuation
0
1 1111
−46.5 dB attenuation
L/RV [4:0]
(Left/Right
Volume)
1
x xxxx
Muted
L/RM
(Left/right mute)
Mutes the left/right channels independently.
Default: muted (0x1)
x
Reserved.
Default: 0
HEADPHONE VOLUME (REGISTER 0x04)
This register controls the HP_OUT mute and volume controls. Each volume subregister contains five bits, generating 32 volume steps of
−1.5 dB each for a range of 0 dB to −46.5 dB.
Reg
Name
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
0x04
Headphones
Volume
LM
x
x
LV4
LV3
LV2
LV1
LV0
RM
x
x
RV4
RV3
RV2
RV1
RV0
0x8080
Table 75.
Register
Function
Left/right volume controls the left/right channel output gains from 0 dB to –46.5 dB.
The least significant bit represents –1.5 dB.
L/RM
L/RV [4:0]
Function
Default
0
0 0000
0 dB
Default
0
0 1111
−22.5 dB attenuation
0
1 1111
−46.5 dB attenuation
L/RV [4:0]
(Left/Right
Volume)
1
x xxxx
Muted
L/RM
(Left/Right Mute)
Mutes the left/right channels independently.
Default: muted (0x1)
x
Reserved.
Default: 0
MONO VOLUME (REGISTER 0x06)
This register controls the MONO_OUT mute and volume control. The volume register contains five bits, generating 32 volume steps of
−1.5 dB each for a range of 0 dB to −46.5 dB.
Reg
Name
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
0x06
Mono Volume
M
x
x
x
x
x
x
x
x
x
x
V4
V3
V2
V1
V0
0x8000
Table 76.
Register
Function
V [4:0]
Volume controls the output gain from 0 dB to –46.5 dB. The least significant bit represents –1.5 dB.
(Volume)
M
V [4:0]
Function
Default
0
0 0000
0 dB
Default
0
0 1111
−22.5 dB attenuation
0
1 1111
−46.5 dB attenuation
1
x xxxx
Muted
M (Mute)
Mutes the output.
Default: muted (0x1)
x
Reserved.
Default: 0



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