AK4635 AKM [Asahi Kasei Microsystems], AK4635 Datasheet - Page 71
AK4635
Manufacturer Part Number
AK4635
Description
16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4635.pdf
(81 pages)
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Part Number
Manufacturer
Quantity
Price
Part Number:
AK4635ECB-L
Manufacturer:
AKM
Quantity:
20 000
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Rev. 0.6
Addr
09H
Addr
Addr
0AH
Addr
Addr
0DH
0BH
0CH
IVOL7-0: Input Digital Volume; 0.375dB step, 242 Level
OVOL7-0: Output Digital Volume; 0.375dB step, 242 Level
OREF5-0: Reference value at ALC Recovery operation for playback. 1.5dB step, 60 Level
LMTH1-0: ALC Limiter Detection Level / Recovery Waiting Counter Reset Level
RGAIN1-0: ALC Recovery GAIN Step
VGCA4-0: Gain Control of Video output
SAGC: Select Video Output method.
VOL7-0: The current volume of ALC; 0.375dB step, 242 Level, Read only
Register Name
Input Digital Volume Control
Register Name
Digital Volume Control
Register Name
Input Digital Volume Control
Register Name
ALC Mode Control 3
Register Name
Video Mode Control
Default: “28H” (+6.0dB)
Default: “01” (-4.1dBFS > ALC Output ≥ -6.0dBFS)
RGAIN1 bit is located at D1 bit of 07H. Default: “00”
Default: “91H” (0.0dB)
Default: “91H” (0.0dB)
Default
Default
Default
Default
Default
R/W
R/W
R/W
R/W
R/W
RGAIN1
OVOL7
IVOL7
R/W
R/W
R/W
R/W
D7
D7
VOL7
D7
D7
0
0
0
1
1
D7
(Table
R
-
(Table
(Table
OVOL6
IVOL6
45)
LMTH1
R/W
R/W
VOL6
R/W
R/W
D6
D6
D6
29)
D6
0
0
D6
0
0
0
R
-
47)
- 71 -
OVOL5
IVOL5
OREF5
VOL5
R/W
R/W
SAGC
D5
D5
R/W
R/W
D5
0
0
D5
D5
R
(Table
-
1
0
(Table
22)
OVOL4
IVOL4
VGCA4
VOL4
OREF4
R/W
R/W
D4
D4
R/W
R/W
D4
23)
D4
D4
R
1
1
-
0
0
(Table
OVOL3
VGCA3
IVOL3
OREF3
VOL3
R/W
R/W
R/W
R/W
D3
D3
D3
D3
D3
R
0
0
-
1
0
33)
OVOL2
VGCA2
IVOL2
OREF2
VOL2
R/W
R/W
R/W
R/W
D2
D2
D2
D2
D2
R
0
0
-
0
0
(Table
OVOL1
VGCA1
IVOL1
OREF1
VOL1
31)
R/W
R/W
R/W
R/W
D1
D1
D1
D1
D1
R
0
0
0
1
-
[AK4635]
VGCA0
OVOL0
OREF0
IVOL0
2007/10
VOL0
R/W
R/W
R/W
R/W
D0
D0
D0
D0
D0
R
1
1
0
0
-
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