[AK4685]
D0
Addr
Register Name
D7
D6
D5
D4
D3
0
D2
0
D1
04H De-emphasis/ ATT speed DEM21 DEM20 DEM11 DEM10
ATSAD ATSDA
R/W
Default
R/W
0
R/W
1
R/W
0
R/W
1
RD
0
RD
0
R/W
0
R/W
0
ATSDA: DAC1/2 digital Attenuator transition time control
ATSAD: ADC digital Attenuator transition time control
DEM11-10: DAC1 De-emphasis filter control
DEM21-20: DAC2 De-emphasis filter control
Addr
05H
06H
Register Name
ADC Lch Volume
ADC Rch Volume
R/W
D7
D6
D5
D4
D3
D2
D1
D0
IATL7 IATL6 IATL5 IATL4 IATL3 IATL2 IATL1 IATL0
IATR7 IATR6 IATR5 IATR4 IATR3 IATR2 IATR1 IATR0
R/W
0
R/W
0
R/W
1
R/W
1
R/W
0
R/W
0
R/W
0
R/W
0
Default
IATL7-0, IATR7-0: ADC Volume level control
(Default: 0dB)
Addr
07H
08H
09H
0AH
Register Name
DAC1 Lch Volume
DAC1 Rch Volume
DAC2 Lch Volume
DAC2 Rch Volume
R/W
D7
D6
D5
D4
D3
D2
D1
D0
OAT1L7 OAT1L6 OAT1L5 OAT1L4 OAT1L3 OAT1L2 OAT1L1 OAT1L0
OAT1R7 OAT1R6 OAT1R5 OAT1R4 OAT1R3 OAT1R2 OAT1R1 OAT1R0
OAT2L7 OAT2L6 OAT2L5 OAT2L4 OAT2L3 OAT2L2 OAT2L1 OAT2L0
OAT2R7 OAT2R6 OAT2R5 OAT2R4 OAT2R3 OAT2R2 OAT2R1 OAT2R0
R/W
0
R/W
0
R/W
0
R/W
1
R/W
1
R/W
0
R/W
0
R/W
0
Default
OAT1L7-0, OAT1R7-0, OAT2L7-0, OAT2R7-0: DAC1/2 Volume level control
(Default: 0dB)
MS1106-E-00
2009/08
- 46 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
