AK4679EG Datasheet, PDF (174/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
Addr
29H
2AH
2BH
2CH
Register Name
FIL1 Co-efficient 0
FIL1 Co-efficient 1
FIL1 Co-efficient 2
FIL1 Co-efficient 3
R/W
Default
D7
F1A7
0
F1B7
0
R/W
D6
D5
D4
D3
D2
D1
F1A6 F1A5 F1A4 F1A3 F1A2 F1A1
0
F1A13 F1A12 F1A11 F1A10 F1A9
F1B6 F1B5 F1B4 F1B3 F1B2 F1B1
0
F1B13 F1B12 F1B11 F1B10 F1B9
R/W
R/W
R/W
R/W
R/W
R/W
F1A13-0 bits = “1FA9H”, F1B13-0 bits = “20ADH”
F1A13-0, F1B13-B0: FIL1 (Wind-noise Reduction Filter) Coefficient (14bit x 2)
Default: F1A13-0 bits = “1FA9H”, F1B13-0 bits = “20ADH” (fc=150Hz@fs=44.1kHz)
D0
F1A0
F1A8
F1B0
F1B8
R/W
Addr
2DH
2EH
2FH
30H
Register Name
FIL2 Co-efficient 0
FIL2 Co-efficient 1
FIL2 Co-efficient 2
FIL2 Co-efficient 3
R/W
Default
D7
F2A7
0
F2B7
0
R/W
0
D6
F2A6
0
F2B6
0
R/W
0
D5
F2A5
F2A13
F2B5
F2B13
R/W
0
F2A13-0, F2B13-B0: FIL2 (LPF) Coefficient (14bit x 2)
Default: “0000H”
D4
F2A4
F2A12
F2B4
F2B12
R/W
0
D3
F2A3
F2A11
F2B3
F2B11
R/W
0
D2
F2A2
F2A10
F2B2
F2B10
R/W
0
D1
F2A1
F2A9
F2B1
F2B9
R/W
0
D0
F2A0
F2A8
F2B0
F2B8
R/W
0
Addr
31H
32H
33H
34H
35H
36H
37H
38H
39H
3AH
Register Name
FIL3 Co-efficient 0
FIL3 Co-efficient 1
FIL3 Co-efficient 2
FIL3 Co-efficient 3
EQ Co-efficient 0
EQ Co-efficient 1
EQ Co-efficient 2
EQ Co-efficient 3
EQ Co-efficient 4
EQ Co-efficient 5
R/W
Default
D7
F3A7
F3AS
F3B7
0
E0A7
E0A15
E0B7
0
E0C7
E0C15
R/W
0
D6
F3A6
0
F3B6
0
E0A6
E0A14
E0B6
0
E0C6
E0C14
R/W
0
D5
F3A5
F3A13
F3B5
F3B13
E0A5
E0A13
E0B5
E0B13
E0C5
E0C13
R/W
0
D4
F3A4
F3A12
F3B4
F3B12
E0A4
E0A12
E0B4
E0B12
E0C4
E0C12
R/W
0
D3
F3A3
F3A11
F3B3
F3B11
E0A3
E0A11
E0B3
E0B11
E0C3
E0C11
R/W
0
D2
F3A2
F3A10
F3B2
F3B10
E0A2
E0A10
E0B2
E0B10
E0C2
E0C10
R/W
0
D1
F3A1
F3A9
F3B1
F3B9
E0A1
E0A9
E0B1
E0B9
E0C1
E0C9
R/W
0
F3A13-0, F3B13-0: FIL3 (Stereo Separation Emphasis Filter) Coefficient (14bit x 2)
Default: “0000H”
F3AS: FIL3(Stereo Separation Emphasis Filter) Select
0: HPF (default)
1: LPF
E0A15-0, E0B13-0, E0C15-C0: EQ0 (Gain Compensation Filter) Coefficient (14bit x 1 + 16bit x 2)
Default: “0000H”
D0
F3A0
F3A8
F3B0
F3B8
E0A0
E0A8
E0B0
E0B8
E0C0
E0C8
R/W
0
MS1402-E-06
- 174 -
2013/02