AK4636 Datasheet, PDF (78/105 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP

[AK4636]
Addr
08H
Register Name
ALC Mode Control 2
R/W
Default
D7
IREF7
R/W
1
D6
IREF6
R/W
1
D5
IREF5
R/W
0
D4
IREF4
R/W
0
D3
IREF3
R/W
0
D2
IREF2
R/W
1
D1
IREF1
R/W
0
D0
IREF0
R/W
1
IREF7-0: Reference value at ALC Recovery operation for recoding. (0.375dB step, 242 Level) (Table 32)
Default: “C5H” (+19.5dB)
Addr
09H
Register Name
Input Digital Volume Control
R/W
Default
D7
IVOL7
R/W
1
D6
IVOL6
R/W
0
D5
IVOL5
R/W
0
D4
IVOL4
R/W
1
D3
IVOL3
R/W
0
D2
IVOL2
R/W
0
D1
IVOL1
R/W
0
D0
IVOL0
R/W
1
IVOL7-0: Input Digital Volume; 0.375dB step, 242 Level (Table 22)
Default: “91H” (0.0dB)
Addr
0AH
Register Name
Digital Volume Control
R/W
Default
D7
OVOL7
R/W
1
D6
OVOL6
R/W
0
D5
OVOL5
R/W
0
D4
OVOL4
R/W
1
D3
OVOL3
R/W
0
D2
OVOL2
R/W
0
D1
OVOL1
R/W
0
D0
OVOL0
R/W
1
OVOL7-0: Output Digital Volume; 0.375dB step, 242 Level (Table 23)
Default: “91H” (0.0dB)
Addr
0BH
Register Name
ALC Mode Control 3
R/W
Default
D7
RGAIN1
R/W
0
D6
LMTH1
R/W
0
D5
OREF5
R/W
1
D4
OREF4
R/W
0
D3
OREF3
R/W
1
D2
OREF2
R/W
0
D1
OREF1
R/W
0
D0
OREF0
R/W
0
OREF5-0: Reference value at ALC Recovery operation for playback. 1.5dB step, 60 Level (Table 33)
Default: “28H” (+6.0dB)
LMTH1-0: ALC Limiter Detection Level / Recovery Waiting Counter Reset Level (Table 27)
LMTH0 bit is located at D0 bit of 07H. Default: “01”
RGAIN1-0: ALC Recovery GAIN Step (Table 31)
RGAIN0 bit is located at D1 bit of 07H. Default: “00”
Addr
0CH
Register Name
Video Mode Control
R/W
Default
D7
D6
0
0
R
R
0
0
VGCA4-0: Gain Control of Video output (Table 56)
Default: “00010”
D5
D4
D3
D2
D1
D0
0
VGCA4 VGCA3 VGCA2 VGCA1 VGCA0
R
R/W
R/W
R/W
R/W
R/W
0
0
0
0
1
0
MS1012-E-01
- 78 -
2010/08