VT1616 데이터 시트보기 (PDF) - Unspecified
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VT1616 Datasheet PDF : 40 Pages
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VT1616 6-Channel AC97 Codec with S/PDIF
PCM Output Control Register (Index 18h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Default
Mute –
– GL4 GL3 GL2 GL1 GL0 –
–
– GR4 GR3 GR2 GR1 GR0 8808h
Mute
PCM Output Mute Control
“1” : Mute enabled
“0” : Mute disabled
GL[4:0]
Left Channel Gain Control
These five bits select the gain applied to the LEFT channel of the PCM Output signal. The gain is
programmable from -34.5dB to 12dB in 1.5dB increments, providing a total of 32 programmable
levels. Please refer to Table 3 on page 14 for details.
GR[4:0]
Right Channel Gain Control
These five bits select the gain applied to the RIGHT channel of the PCM Output signal. The gain is
programmable from -34.5dB to 12dB in 1.5dB increments, providing a total of 32 programmable
levels. Please refer to Table 3 (below) on page 14 for details.
Table 3. Programmable Mixer Input Gain Levels
G4 G3 G2 G1 G0
0
0
0
0
0
0
1
0
0
0
0
1
2
0
0
0
1
0
3
0
0
0
1
1
4
0
0
1
0
0
5
0
0
1
0
1
6
0
0
1
1
0
7
0
0
1
1
1
8
0
1
0
0
0
9
0
1
0
0
1
10
0
1
0
1
0
11
0
1
0
1
1
12
0
1
1
0
0
13
0
1
1
0
1
14
0
1
1
1
0
15
0
1
1
1
1
16
1
0
0
0
0
17
1
0
0
0
1
18
1
0
0
1
0
19
1
0
0
1
1
20
1
0
1
0
0
21
1
0
1
0
1
22
1
0
1
1
0
23
1
0
1
1
1
24
1
1
0
0
0
25
1
1
0
0
1
26
1
1
0
1
0
27
1
1
0
1
1
28
1
1
1
0
0
29
1
1
1
0
1
30
1
1
1
1
0
31
1
1
1
1
1
Level (dB)
12.0
10.5
9.0
7.5
6.0
4.5
3.0
1.5
0.0
-1.5
-3.0
-4.5
-6.0
-7.5
-9.0
-10.5
-12.0
-13.5
-15.0
-16.5
-18.0
-19.5
-21.0
-22.5
-24.0
-25.5
-27.0
-28.5
-30.0
-31.5
-33.0
-34.5
Revision 1.5, October 11, 2002
14
Data Sheet
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