AK4671_10 Datasheet, PDF (134/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
Addr
12H
13H
Register Name
Lch Input Volume Control
Rch Input Volume Control
R/W
Default
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
IVL7-0, IVR7-0: Input Digital Volume; 0.375dB step, 242 Level (Table 33)
Default: “91H” (0dB)
D2
IVL2
IVR2
R/W
0
D1
IVL1
IVR1
R/W
0
D0
IVL0
IVR0
R/W
1
Addr
14H
Register Name
ALC Reference Select
R/W
Default
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
REF7-0: Reference Value at ALC Recovery Operation (Recording); 0.375dB step, 242 Level (Table 29)
Default: “E1H” (+30.0dB)
D0
REF0
R/W
1
Addr
15H
Register Name
Digital Mixing Control
R/W
Default
D7
SRMXR1
R/W
0
D6
SRMXR0
R/W
0
D5
SRMXL1
R/W
0
D4
SRMXL0
R/W
0
D3
PFMXR1
R/W
0
D2
PFMXR0
R/W
0
D1
PFMXL1
R/W
0
D0
PFMXL0
R/W
0
PFMXL1-0: 5-band EQ Lch Input Mixing 1 (Table 49)
Default: “00” (SDTI)
PFMXR1-0: 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)
SRMXR1-0: 5-band EQ Rch Input Mixing 2 (Table 52)
Default: “00” (SDTI)
Addr
16H
Register Name
ALC Timer Select
R/W
Default
D7
D6
D5
D4
D3
D2
D1
0
RFST1 RFST0 WTM2 WTM1 WTM0 ZTM1
RD
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
ZTM1-0: ALC Limiter/Recovery Operation Zero Crossing Timeout Period (Table 26)
Default: “00” (128/fs)
WTM2-0: ALC Recovery Waiting Period (Table 27)
Default: “000” (128/fs)
RFST1-0: ALC First recovery Speed (Table 30)
Default: “00” (4times)
D0
ZTM0
R/W
0
MS0666-E-02
- 134 -
2010/06