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