ak4644 AKM Semiconductor, Inc., ak4644 Datasheet - Page 44

• Manufacturer Part Number: ak4644
• Description: Stereo Codec With Mic/hp/rcv-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
MS0477-E-01
RFST1 bit
REF7-0
0
0
1
1
EFH
F1H
F0H
E2H
E1H
E0H
03H
02H
01H
00H
Table 33. Reference Level at ALC Recovery operation
:
:
Table 34. Fast Recovery Speed Setting
RFST0 bit
GAIN(dB)
+35.625
+30.375
+29.625
−53.625
+35.25
−53.25
MUTE
+36.0
+30.0
−54.0
0
1
0
1
:
:
- 44 -
Recovery Speed
0.375dB
16times
4 times
8 times
Step
N/A
Default
Default
[AK4644]
2006/10