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AK4635 Datasheet(PDF) 71 Page - Asahi Kasei Microsystems

Part # AK4635
Description  16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP
PDF  81 Pages
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4635 Datasheet(HTML) 71 Page - Asahi Kasei Microsystems

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



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