[AK4685]
■ Register Map
Addr
00H
01H
02H
03H
Register Name
Powerdown
Analog Mute
D7
PWHP PWDA2 PWDA1 PWAD SMDA2 SMDA1 SMAD RSTN
AMT2RN AMT2LN AMT1R AMT1L
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
Interface Control
DAC Speed Control
CKSB1 CKSB0 DIFC1 DIFC0
ACKS2 DFS21 DFS20
DIFB
0
0
0
DIFA1 DIFA0
ACKS1 DFS11 DFS10
ATSAD ATSDA
0
04H De-emphasis/ ATT speed DEM21 DEM20 DEM11 DEM10
0
05H
06H
07H
08H
09H
0AH
0BH
0CH
10H
ADC Lch Volume
ADC Rch Volume
DAC1 Lch Volume
DAC1 Rch Volume
DAC2 Lch Volume
DAC2 Rch Volume
Headphone Control 1
Headphone Control 2
Headphone Control 3
IATL7 IATL6 IATL5 IATL4 IATL3 IATL2 IATL1 IATL0
IATR7 IATR6 IATR5 IATR4 IATR3 IATR2 IATR1 IATR0
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
PTSA
0
0
0
HPZ
0
MOFF HPMTN PTS2
PTS1
PTS0
0
0
HPGA4 HPGA3 HPGA2 HPGA1 HPGA0
AMTS2 AMTS1 AMTS0
0
0
0
Note: Data must not be written to the addresses from 0DH to 1FH. (except 10H)
When the PDN pin = “L”, the registers are initialized to their default values.
When RSTN bit = “0”, the internal timing is reset, but registers are not initialized to their default values.
The bits defined as 0 must contain a “0” value.
MS1106-E-00
2009/08
- 42 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
