AK7600 Datasheet, PDF (31/38 Pages) Asahi Kasei Microsystems – 2/6-Channel Audio CODEC with Digital EQ

[AK7600]
Command
45H
Shift Setting R/W
Data 1 (2byte) EQ3 A2 Coefficient 1bit left x2
R/W
Data 2 (2byte) EQ3 A1 Coefficient 1bit left x2
R/W
Data 3 (2byte) EQ3 A0 Coefficient 1bit left x2
R/W
Data 4 (2byte) EQ3 B2 Coefficient 1bit left x2
R/W
Data 5 (2byte) EQ3 B1 Coefficient 1bit left x2
R/W
Command
46H
Shift Setting R/W
Data 1 (2byte) EQ4 A2 Coefficient 1bit left x2
R/W
Data 2 (2byte) EQ4 A1 Coefficient 1bit left x2
R/W
Data 3 (2byte) EQ4 A0 Coefficient 2bit left x4
R/W
Data 4 (2byte) EQ4 B2 Coefficient 1bit left x2
R/W
Data 5 (2byte) EQ4 B1 Coefficient 1bit left x2
R/W
Note: All data are R/W.
Default Value
0x0000
0x0000
0x4000
0x0000
0x0000
Default Value
0x0000
0x0000
0x2000
0x0000
0x0000
F-ATT, R-ATT, N-ATT
Amplify or regulate each Front (L1, R1), Rear (L2, R2) and SW (L3, R3) X’Over filter input data.
<< 1
<< 1
Command
47H
Shift Setting R/W
Data 1 (2byte) Front ATT setting coefficient 1bit left x2 R/W
Data 2 (2byte) Rear ATT setting coefficient
1bit left x2 R/W
Data 3 (2byte) SW(NF) ATT setting coefficient 1bit left x2 R/W
Data 4 (2byte) Dummy
1bit left x2 R/W
Data 5 (2byte) Dummy
1bit left x2 R/W
Note: All data are R/W.
X’Over filter (HPF & LPF)
HPF1-1
First step ^HPF2-1
A0
LPF-1
HPF1-2
Second step ^HPF2-2
A0
LPF-2
Z^-1
A1
Z^-1
A2
Z^-1
B1
A1
Z^-1
B2
A2
Z^-1
B1
Z^-1
B2
Default Value
0x4000
0x4000
0x4000
0x0000
0x0000
Command
84H
Data 1 (4byte) HPF1-1 A2 Coefficient
Data 2 (4byte) HPF1-1 A1 Coefficient
Data 3 (4byte) HPF1-1 A0 Coefficient
Data 4 (4byte) HPF1-1 B2 Coefficient
Data 5 (4byte) HPF1-1 B1 Coefficient
Note: All data are R/W.
Shift Setting R/W
1bit left x 2 R/W
1bit left x 2 R/W
1bit left x 2 R/W
1bit left x 2 R/W
1bit left x 2 R/W
Default Value
0x00000000
0x00000000
0x04000000
0x00000000
0x00000000
MS0999-E-00
- 31 -
2008/09