[AK4675]
D0
Addr Register Name
17H ALC Mode Control
R/W
D7
0
RD
0
D6
D5
D4
D3
D2
D1
ZELMN LMAT1 LMAT0 RGAIN1 RGAIN0 LMTH1 LMTH0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
Default
LMTH1-0: ALC Limiter Detection Level / Recovery Counter Reset Level (Table 24)
Default: “00”
RGAIN1-0: ALC Recovery GAIN Step (Table 28)
Default: “00”
LMAT1-0: ALC Limiter ATT Step (Table 25)
Default: “00”
ZELMN: Zero Crossing Detection Enable at ALC Limiter Operation
0: Enable (default)
1: Disable
Addr Register Name
18H Mode Control 1
R/W
D7
DAM
R/W
0
D6
MIXD
R/W
0
D5
SDIM1
R/W
0
D4
SDIM0
R/W
0
D3
EQ
R/W
0
D2
ADM
R/W
0
D1
IVOLC
R/W
1
D0
ALC
R/W
0
Default
ALC: ALC Enable
0: ALC Disable (default)
1: ALC Enable
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.
ADM: Mono Recording (Table 44)
0: Stereo (default)
1: Mono: (L+R)/2
EQ: Select 5-Band Equalizer
0: OFF (default)
1: ON
SDIM1-0: SDTI Input Signal Select (Table 48)
Default: “00” (L=Lch, R=Rch)
MIXD: DAC and SRC-A Mono Mixing (Table 53 and Table 54.)
0: L+R (default)
1: (L+R)/2
DAM: DAC Mono Mixing (Table 53)
0: Stereo (default)
1: Mono: (L+R) or (L+R)/2 is selected by MIXD bit.
MS0963-E-00
2008/05
- 157 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
