AK4649 Datasheet, PDF (72/96 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK-AMP

[AK4649]
Addr
0EH
Register Name
Mode Control 3
R/W
Default
D7
READ
R/W
0
D6
D5
D4
D3
D2
D1
D0
0
SMUTE OVOLC DATT1 DATT0 DEM1 DEM0
R
R/W
R/W
R/W
R/W
R/W
R/W
0
0
1
0
0
0
1
DEM1-0: De-emphasis Frequency Select (Table 47)
Default: “01” (OFF)
DATT1-0: Output Digital Volume2; 6dB step, 4 Level (Table 43)
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
READ: Read function Enable
0: Disable (default)
1: Enable
Addr
0FH
Register Name
Digital Volume Control
R/W
Default
D7
DVOL7
R/W
1
D6
DVOL6
R/W
1
D5
DVOL5
R/W
1
D4
DVOL4
R/W
1
D3
DVOL3
R/W
1
D2
DVOL2
R/W
1
D1
DVOL1
R/W
1
D0
DVOL0
R/W
1
DVOL7-0: Output Digital Volume Control 3; Linear step (Table 43, Table 45)
Default: “FFH” (0dB)
MS1023-E-01
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2010/08