[AK4646]
Addr Register Name
0EH Mode Control 3
R/W
D7
READ
R/W
0
D6
LOOP
R/W
0
D5
D4
D3
D2
DATT0
R/W
0
D1
DEM1
R/W
0
D0
DEM0
R/W
1
SMUTE OVOLC DATT1
R/W
0
R/W
1
R/W
0
Default
DEM1-0: De-emphasis Frequency Select (Table 37)
Default: “01” (OFF)
DATT1-0: Output Digital Volume2; 6dB step, 4 Level (Table 36)
Default: “00H” (0.0dB)
OVOLC: Output Digital Volume Control Mode Select
0: Independent
1: Dependent (default)
When OVOLC bit = “1”, OVL7-0 bits control both Lch and Rch volume level, while register values of
OVL7-0 bits are not written to OVR7-0 bits. When OVOLC bit = “0”, OVL7-0 bits control Lch level and
OVR7-0 bits control Rch level, respectively.
SMUTE: Soft Mute Control
0: Normal Operation (default)
1: DAC outputs soft-muted
LOOP: Digital Loopback Mode
0: SDTI → DAC (default)
1: SDTO → DAC
READ: Read function Enable
0: Disable (default)
1: Enable
Addr Register Name
0FH Mode Control 4
R/W
D7
0
R
0
D6
0
R
0
D5
0
R
0
D4
FR
R/W
0
D3
IVOLC
R/W
1
D2
0
R
0
D1
0
R
0
D0
0
R
0
Default
IVOLC: Input Digital Volume Control Mode Select
0: Independent
1: Dependent (default)
When IVOLC bit = “1”, IVL7-0 bits control both Lch and Rch volume level, while register values of IVL7-0
bits are not written to IVR7-0 bits. When IVOLC bit = “0”, IVL7-0 bits control Lch level and IVR7-0 bits
control Rch level, respectively.
FR: ALC Fast Recovery Function Enable
0: Enable (default)
1: Disable
MS0557-E-05
2011/01
- 60 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
