參數(shù)資料
型號： AD1881
廠商： Analog Devices, Inc.
英文描述： SNAPAKMAGNETICCIRCUITBREAKER
中文描述： AC\u0026#39;97聲卡SoundMAX編解碼器
文件頁數(shù)： 14/26頁
文件大?。?/td> 261K
代理商： AD1881
AD1881A
–14–
REV. 0
CD Volume (Index 12h)
u
u
u
u
N m
u
e
R g
e
m
a
N
1
D 5
1
D 4
1
D 3
1
D 2
D 1
1
D 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
t
u
a
f
D
12
1 h
e
m
u
l
V
D
C
CV
C M
X
X
4
V
C
L
3
V
C
L
2
V
C
L
1
V
C
L
0
V
C
L
X
X
X
4
V
C
R
3
V
C
R
2
V
C
R
1
V
C
R
0
V
C
R
h
8
0
8
8
RCV[4:0]
Right CD Volume. Allows setting the CD right channel attenuator in 32 steps. The LSB represents 1.5 dB, and
the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
Left CD Volume. Allows setting the CD left channel attenuator in 32 steps. The LSB represents 1.5 dB, and the
range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
CD Volume Mute. When this bit is set to “1,” the channel is muted.
Video Volume (Index 14h)
LCV[4:0]
CVM
u
u
u
u
N m
u
e
R g
e
e
m
a
N
1
D1
D 5
1
D1
D 4
1
D1
D 3
1
D1
D 2
D1
D 1
1
D1
D 0
D9
D
D8
D
D7
D
D6
D
D5
D
D4
D
D3
D
D2
D
D1
D
D0
D
t
u
u
a
f
D
4
1 h
e
m
u
l
V
o
o
e
d
i
V
VM
X
X
4
V
V
L
3
V
V
L
2
V
V
L
1
V
V
L
0
V
V
L
X
X
X
4
V
V
R
3
V
V
R
2
V
V
R
1
V
V
R
0
V
V
R
h
8
0
8
8
RVV[4:0]
Right Video Volume. Allows setting the Video right channel attenuator in 32 steps. The LSB represents 1.5 dB,
and the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
Left Video Volume. Allows setting the Video left channel attenuator in 32 steps. The LSB represents 1.5 dB, and
the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
Video Mute. When this bit is set to “1,” the channel is muted.
AUX Volume (Index 16h)
LVV[4:0]
VM
u
u
u
N m
u
u
Re
R g
e
m
a
N
1
D 5
1
D 4
1
D 3
1
D 2
D 1
1
D 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
t
u
a
f
D
6
1 h
e
m
u
l
V
x
u
A
AM
X
X
4
V
A
L
3
V
A
L
2
V
A
L
1
V
A
L
0
V
A
L
X
X
X
4
V
A
R
3
V
A
R
2
V
A
R
1
V
A
R
0
V
A
R
h
8
0
8
8
RAV[4:0]
Right Aux. Volume. Allows setting the Aux right channel attenuator in 32 steps. The LSB represents 1.5 dB, and
the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
Left Aux. Volume. Allows setting the Aux left channel attenuator in 32 steps. The LSB represents 1.5 dB, and the
range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
Aux. Mute. When this bit is set to “1,” the channel is muted.
PCM Out Volume (Index 18h)
LAV[4:0]
AM
u
u
u
u
N m
u
e
R g
e
m
a
N
1
D 5
1
D 4
1
D 3
1
D 2
D 1
1
D 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
t
u
a
f
D
8
1 h
t
u
O
e
M
u
C
l
V
P
m
OM
X
X
4
V
O
L
3
V
O
L
2
V
O
L
1
V
O
L
0
V
O
L
X
X
X
4
V
O
R
3
V
O
R
2
V
O
R
1
V
O
R
0
V
O
R
h
8
0
8
8
ROV[4:0]
Right PCM Out Volume. Allows setting the PCM right channel attenuator in 32 steps. The LSB represents 1.5 dB,
and the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
Left PCM Out Volume. Allows setting the PCM left channel attenuator in 32 steps. The LSB represents 1.5 dB,
and the range is +12 dB to –34.5 dB. The default value is 0 dB, mute enabled.
PCM Out Volume Mute. When this bit is set to “1,” the channel is muted.
LOV[4:0]
OM
Volume Table (Index 0Ch to 18h)
MM
x4 . . . x0
Function
0
0
0
1
00000
01000
11111
xxxxx
+12 dB Gain
0 dB Gain
–34.5 dB Gain
–
∞
dB Gain
相關(guān)PDF資料
PDF描述
AD1881A AC’97 SoundMAX Codec
AD1881AJST AC’97 SoundMAX Codec
AD1885 AC’97 SoundMAX Codec
AD1885JST AC’97 SoundMAX Codec
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1881A 制造商:AD 制造商全稱:Analog Devices 功能描述:AC’97 SoundMAX Codec
AD1881AJST 制造商:Rochester Electronics LLC 功能描述:AC97 VERSION 2.1 CODEC - Bulk 制造商:Analog Devices 功能描述: 制造商:Analog Devices 功能描述:IC CODEC AC'97 VERSION 2.1
AD1881AJSTZ 制造商:Analog Devices 功能描述:IC AUDIO CODEC
AD1881AJSTZ-REEL 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 16-Bit 48-Pin LQFP T/R
AD1881JST 制造商:Analog Devices 功能描述:AC'97 SOUNDMAX CODEC 制造商:Analog Devices 功能描述:SOUNDCARD CIRCUITS, 48 Pin, Plastic, QFP
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