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AK4141 Datasheet, PDF (67/96 Pages) Asahi Kasei Microsystems – NICAM/A2/EIA-J Digital Stereo Decoder | |||
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CONFIDENTIAL
[AK4141]
Addr
52H
Register Name
AGC Control for AM
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
AMAT[3:0]
AMDC[3:0]
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
1
1
1
0
1
1
1
AMAT[3:0]: AMç¨AGC ã¢ã¿ãã¯ã¿ã¤ã ã³ã³ããã¼ã«
AMä¿¡å·æã®AGC(Automatic Gain Control) ã®ã¢ã¿ãã¯ã¿ã¤ã ãè¨å®ãã¾ãã
AMAT[3:0]
Attack Time (ms)
0000
0.11
0001
0.15
0010
0.22
0011
0.30
0100
0.44
0101
0.59
0110
0.89
0111
1.8
1000
2.4
1001
3.6
1010
4.7
1011
14.2
1100
28.4
1101
56.9
1110
113.8
1111
227.6
Table 67. AGC attack time AM
(default)
AMDC [3:0]: AMç¨AGC ãã£ã±ã¤ã¿ã¤ã ã³ã³ããã¼ã«
AMä¿¡å·æã®AGC(Automatic Gain Control) ã®ãã£ã±ã¤ã¿ã¤ã ãè¨å®ãã¾ãã
AMDC [3:0]
Decay Time (ms)
0000
1.8
0001
2.4
0010
3.6
0011
4.7
0100
7.1
0101
9.5
0110
14.2
0111
28.4
1000
37.9
1001
56.9
1010
75.9
1011
227.6
1100
455.1
1101
910.2
1110
1820
1111
3640
Table 68. AGC decay time AM
(default)
MS0952-J-03
- 67 -
2013/12
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