ak4646 AKM Semiconductor, Inc., ak4646 Datasheet - Page 40

• Manufacturer Part Number: ak4646
• Description: Stereo Codec With Mic/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

MS0557-E-02
Table 29. Reference Level at ALC Recovery operation for playback
Table 28. Reference Level at ALC Recovery operation for recoding
RFST1 bit
OREF5-0bits
IREF7-0bits
0
0
1
1
EFH
E1H
3CH
3BH
3AH
F1H
F0H
92H
91H
90H
28H
25H
24H
23H
2H
1H
0H
2H
1H
0H
:
:
:
:
:
:
Table 30. First Recovery Speed Setting
RFST0 bit
GAIN(0dB)
GAIN(0dB)
+35.625
-53.625
+35.25
+0.375
MUTE
-0.375
+36.0
+30.0
+36.0
+34.5
+33.0
-54.0
-51.0
-52.5
-54.0
+6.0
+1.5
-1.5
0
1
0
1
0.0
0.0
:
:
:
:
:
:
- 40 -
Recovery Speed
0.375dB
Quad Speed
1.5dB
Step
Step
16times
8times
N/A
(default)
(default)
(default)
[AK4646]
2007/05