AK4646_11 Datasheet, PDF (40/81 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/SPK-AMP

IREF7-0bits GAIN(0dB)
Step
F1H
+36.0
F0H
+35.625
EFH
+35.25
:
:
E1H
+30.0
0.375dB ^(default)
:
:
92H
+0.375
91H
0.0
90H
-0.375
:
:
2H
-53.625
1H
-54.0
0H
MUTE
Table 28. Reference Level at ALC Recovery operation for recoding
OREF5-0bits GAIN(0dB)
Step
3CH
+36.0
3BH
+34.5
3AH
+33.0
:
:
28H
+6.0
1.5dB
(default)
:
:
25H
+1.5
24H
0.0
23H
-1.5
:
:
2H
-51.0
1H
-52.5
0H
-54.0
Table 29. Reference Level at ALC Recovery operation for playback
RFST1 bit
RFST0 bit
Recovery Speed
0
0
Quad Speed (default)
0
1
8times
1
0
16times
1
1
N/A
Table 30. Fast Recovery Speed Setting (FR bit = “0”)
[AK4646]
MS0557-E-05
- 40 -
2011/01