ak4141 AKM Semiconductor, Inc., ak4141 Datasheet - Page 66

• Manufacturer Part Number: ak4141
• Description: Nicam/a2/eia-j Digital Stereo Decoder
• Manufacturer: AKM Semiconductor, Inc.

AGAT[3:0]: AGC attack time control
AGDC [3:0]: AGC decay time control
MS0952-E-00
Addr
51H
These bits set the attack time of the Automatic Gain Control.
These bits set the decay time of the Automatic Gain Control.
SIF AGC Control
Default
Register Name
R/W
AGAT[3:0]
AGDC
AH
DH
AH
DH
BH
CH
EH
BH
CH
EH
0H
1H
2H
3H
4H
5H
6H
7H
8H
9H
FH
0H
1H
2H
3H
4H
5H
6H
7H
8H
9H
FH
R/W
D7
0
[3:0]
Table 65. AGC attack time
Table 66. AGC decay time
R/W
D6
0
AGAT[3:0]
Attack Time (ms)
Decay Time (ms)
- 66 -
R/W
D5
0
0.055
0.075
113.8
113.8
227.6
1820
0.11
0.15
0.22
0.30
0.45
14.2
28.5
56.9
14.2
19.0
28.5
38.0
455
910
0.9
1.2
1.8
2.4
7.1
0.9
1.2
1.8
2.4
3.6
4.8
7.1
R/W
D4
0
(default)
(default)
R/W
D3
0
R/W
D2
0
AGDC[3:0]
R/W
D1
0
[AK4141]
R/W
2008/05
D0
0