Datasheet

[AK4646]
MS0557-E-06 2011/06
- 59 -
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
08H ALC Mode Control 2 IREF7 IREF6 IREF5 IREF4 IREF3 IREF2 IREF1 IREF0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 1 1 1 0 0 0 0 1
REF7-0: Reference Value at ALC Recovery Operation. 0.375dB step, 242 Level (
Table 28)
Default: “E1H” (+30.0dB)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
09H Lch Input Volume Control IVL7 IVL6 IVL5 IVL4 IVL3 IVL2 IVL1 IVL0
0CH Rch Input Volume Control IVR7 IVR6 IVR5 IVR4 IVR3 IVR2 IVR1 IVR0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 1 1 1 0 0 0 0 1
IVL7-0, IVR7-0: Input Digital Volume; 0.375dB step, 242 Level (
Table 34)
Default: “E1H” (+30.0dB)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
0AH Lch Digital Volume Control OVL7 OVL6 OVL5 OVL4 OVL3 OVL2 OVL1 OVL0
25H Rch Digital Volume Control OVR7 OVR6 OVR5 OVR4 OVR3 OVR2 OVR1 OVR0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 1 0 0 1 0 0 0 1
OVL7-0, OVR7-0: Output Digital Volume (
Table 35)
Default: “91H” (0dB)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
0BH ALC Mode Control 3 RGAIN1 LMTH1 OREF5 OREF4 OREF3 OREF2 OREF1 OREF0
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 0 0 1 0 1 0 0 0
OREF5-0: Reference value at Playback ALC Recovery Operation. 0.375dB step, 50 Level (
Table 29)
Default: “28H” (+6.0dB)
LMTH1: ALC Limiter Detection Level / Recovery Counter Reset Level (
Table 23)
RGAIN1: ALC Recovery GAIN Step (
Table 27)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
0DH
ALC Volume
VOL7 VOL6 VOL5 VOL4 VOL3 VOL2 VOL1 VOL0
R/W R R R R R R R R
Default - - - - - - - -
VOL7-0: Current ALC volume value; 0.375dB step, 242 Level. Read operation only (
Table 31)