[AK4675]
Addr Register Name
12H Lch Input Volume Control
13H Rch Input Volume Control
R/W
D7
IVL7
IVR7
R/W
1
D6
IVL6
IVR6
R/W
0
D5
IVL5
IVR5
R/W
0
D4
IVL4
IVR4
R/W
1
D3
IVL3
IVR3
R/W
0
D2
IVL2
IVR2
R/W
0
D1
IVL1
IVR1
R/W
0
D0
IVL0
IVR0
R/W
1
Default
IVL7-0, IVR7-0: Input Digital Volume; 0.375dB step, 242 Level (Table 33)
Default: “91H” (0dB)
Addr Register Name
14H ALC Reference Select
R/W
D7
REF7
R/W
1
D6
REF6
R/W
1
D5
REF5
R/W
1
D4
REF4
R/W
0
D3
REF3
R/W
0
D2
REF2
R/W
0
D1
REF1
R/W
0
D0
REF0
R/W
1
Default
REF7-0: Reference Value at ALC Recovery Operation; 0.375dB step, 242 Level (Table 29)
Default: “E1H” (+30.0dB)
Addr Register Name
D7
D6
D5
D4
D3
D2
D1
D0
SRMXR1 SRMXR0 SRMXL1
SRMXL0
PFMXR1 PFMXR0 PFMXL1
PFMXL0
15H Digital Mixing Control
R/W
Default
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
PFMXL1-0: 5-band EQ Lch Input Mixing 1 (Table 49.)
Default: “00” (SDTI)
PFMXR 1-0: 5-band EQ Rch Input Mixing 1 (Table 50.)
Default: “00” (SDTI)
SRMXL1-0: 5-band EQ Lch Input Mixing 2 (Table 51.)
Default: “00” (SDTI)
SRMXR 1-0: 5-band EQ Rch Input Mixing 2 (Table 52.)
Default: “00” (SDTI)
Addr Register Name
16H ALC Timer Select
R/W
D7
0
RD
0
D6
RFST1
R/W
0
D5
RFST0
R/W
0
D4
WTM2
R/W
0
D3
WTM1
R/W
0
D2
WTM0
R/W
0
D1
ZTM1
R/W
0
D0
ZTM0
R/W
0
Default
ZTM1-0: ALC Limiter/Recovery Operation Zero Crossing Timeout Period (Table 26)
Gain is changed by micro computer writing or ALC limiter operation at the zero crossing point or at the zero
crossing timeout. Default value is “00” (128/fs)
WTM2-0: ALC Recovery Waiting Period (Table 27)
A period of recovery operation when any limiter operation does not occur during the ALC1 operation; Default
is “000” (128/fs).
RFST1-0: ALC First recovery Speed (Table 30)
Default: “00”(4times)
MS0963-E-00
2008/05
- 156 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
