ALC202 查看數據表（PDF） - Unspecified
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ALC202 Datasheet PDF : 29 Pages
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Avance Logic, Inc.
ALC202
MX0A
PC BEEP Volume
Bit
Type
Function
15
R/W Mute Control 0 : Normal 1 : Mute (-¥ dB)
14:5
Reserved
4:1
R/W PC Beep Volume (PBV[3..0]) in 3 dB step
0
Reserved
ΠFor PBV, 00h 0 dB attenuation
0Fh 45 dB attenuation
Default: 8000H
MX0C
PHONE Volume
Bit
Type
Function
15
R/W Mute Control 0 : Normal 1 : Mute (-¥ dB)
14:5
Reserved
4:0
R/W Phone Volume (PV[4..0]) in 1.5 dB step
ΠFor PV,
00h +12 dB Gain
08h 0dB gain
1Fh -34.5dB Gain
Default: 8008H
MX0E
MIC Volume
Default: 8008H
Bit
Type
Function
15
R/W Mute Control 0: Normal 1 : Mute (-¥ dB)
14:10
Reserved
9:8
R/W Boost Gain Option (BGO)·
00: 20 dB 01: 6 dB 10: 12 dB 11: 29.5 dB (V=30*Vmic-in)
7
Reserved
6
R/W Boost Control (BC)
0: Disable 1: Enable Boost
5
Reserved
4:0
R/W Mic Volume (MV[4..0]) in 1.5 dB step
ΠFor MV,
00h +12 dB Gain
08h 0dB gain
1Fh -34.5dB Gain
· If 29.5dB boost gain is selected, input resistor can be reduced to save area of feedback
resistor.
MX10
LINE_IN Volume
Default: 8808H
Bit
Type
Function
15
R/W Mute Control 0 : Normal 1 : Mute (-¥ dB)
14:13
Reserved
12:8 R/W Line-In Left Volume (NLV[4..0]) in 1.5 dB step
7:5
Reserved
4:0
R/W Line-In Right Volume (NRV[4..0]) in 1.5 dB step
ΠFor NLV/NRV,
00h +12 dB Gain
08h 0dB gain
1Fh -34.5dB Gain
MX12
Bit
15
CD Volume
Type
R/W Mute Control 0 : Normal
Function
1 : Mute (-¥ dB)
Default: 8808H
-9-
http://www.realtek.com.tw
Preliminary
Rev0.62
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