AKM AsahiKASEI AK4675, Manual

Page: 158 / 178

[AK4675]
MS0963-E-00 2008/05
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Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
19H Mode Control 2 SRA1 SRA0 BIV2 BIV1 BIV0 SMUTE OVTM OVOLC
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Default 0 0 0 0 0 0 0 1
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.
OVTM: Digital Volume Transition Time Setting
0: 1061/fs (default)
1: 256/fs
This is the transition time between OVL/R7-0 bits = 00H and FFH.
SMUTE: Soft Mute Control
0: Normal Operation (default)
1: DAC outputs soft-muted
BIV2-0: SDTIB Input Volume Control (
Table 41 )
Default: “0H” (0dB)
SRA1-0: SRC-A Input Signal Select ( Table 54 )
Default: “00” (Lch)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
1AH Lch Output Volume Control OVL7 OVL6 OVL5 OVL4 OVL3 OVL2 OVL1 OVL0
1BH Rch Output 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 0 0 0 1 1 0 0 0
OVL7-0, OVR7-0: Output Digital Volume (
Table 36 )
Default: “18H” (0dB)
Addr Register Name D7 D6 D5 D4 D3 D2 D1 D0
1CH Side Tone A Control 0 0 SVAR2 SVAR1 SVAR0 SVAL2 SVAL1 SVAL0
R/W RD RD R/W R/W R/W R/W R/W R/W
Default 0 0 0 0 0 0 0 0
SVAL2-0, SVAR2-0: Side Tone Volume A (SVOLA) (
Table 34 )
Default: “000” (0dB))