AK4695 Datasheet, PDF (86/107 Pages) Asahi Kasei Microsystems – 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP

[AK4695]
Addr
14H
Register Name
ALC Mode Control 0
R/W
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
RGAIN2 RGAIN1 RGAIN0 WTM1 WTM0 LMTH1 LMTH0
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0
LMTH1-0: ALC Limiter Detection Lavel / Recovery Wait Counter Reset Level (Table 22)
Default: “00”
WTM1-0: ALC Recovery Wait Time Setting (Table 24)
These bits set a period of recovery operation when any limiter operation does not occur during ALC operation.
The default value is “00” (128f/fs).
RGAIN2-0: ALC Recovery Gain Setting (Table 25)
Default: “000” (0.00424dB)
RFATT: Attenuation Step Setting of ALC First Recovery Reference Volume (Table 28)
0: -0.00106dB (4/fs) (default)
1: -0.00106dB (16/fs)
Addr
15H
Register Name
ALC Mode Control 1
R/W
Default
D7
D6
D5
0
0
0
R
R
R
0
0
0
RFST1-0: ALC First Recovery Gain Setting (Table 27)
Default: “00” (0.0032dB)
ATTLMT: ALC Attenuation Limit Setting
0: No Limit (default)
1: 0dB Limit
ALCEQN: ALC EQ Control
0: ALC EQ On (default)
1: ALC EQ Off
D4
D3
D2
D1
D0
0 ALCEQN ATTLMT RFST1 RFST0
R
R/W
R/W
R/W
R/W
0
0
0
0
0
MS1463-E-01
- 86 -
2014/12