ak4673 AKM Semiconductor, Inc., ak4673 Datasheet - Page 88

• Manufacturer Part Number: ak4673
• Description: Stereo Codec With Mic/hp-amp And Touch Screen Controller
• Manufacturer: AKM Semiconductor, Inc.

MS0670-E-01
Addr
Addr
1AH
1DH
1BH
1CH
1EH
1FH
11H
12H
13H
14H
15H
16H
17H
18H
19H
GN1-0: Gain Select at GAIN block
FIL3: FIL3 (Stereo Separation Emphasis Filter) Coefficient Setting Enable
EQ: EQ (Gain Compensation Filter) Coefficient Setting Enable
FIL1: FIL1 (Wind-noise Reduction Filter) Coefficient Setting Enable
F3A13-0, F3B13-0: FIL3 (Stereo Separation Emphasis Filter) Coefficient (14bit x 2)
F3AS: FIL3 (Stereo Separation Emphasis Filter) Select
EQA15-0, EQB13-0, EQC15-C0: EQ (Gain Compensation Filter) Coefficient (14bit x 2 + 16bit x 1)
F1A13-0, F1B13-B0: FIL1 (Wind-noise Reduction Filter) Coefficient (14bit x 2)
F1AS: FIL1 (Wind-noise Reduction Filter) Select
Default: “00”
0: Disable (default)
1: Enable
0: Disable (default)
1: Enable
Default: “0000H”
0: HPF (default)
1: LPF
Default: “0000H”
Default: “0000H”
0: HPF (default)
1: LPF
0: Disable (default)
1: Enable
Register Name
Digital Filter Select
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
FIL1 Co-efficient 0
FIL1 Co-efficient 1
FIL1 Co-efficient 2
FIL1 Co-efficient 3
When FIL3 bit is “1”, the settings of F3A13-0 and F3B13-0 bits are enabled. When FIL3 bit is “0”, FIL3 block
is OFF (MUTE).
When EQ bit is “1”, the settings of EQA15-0, EQB13-0 and EQC15-0 bits are enabled. When EQ bit is “0”,
EQ block is through (0dB).
When FIL1 bit is “1”, the settings of F1A13-0 and F1B13-0 bits are enabled. When FIL1 bit is “0”, FIL1 block
is through (0dB).
Default
Default
EQA15
EQC15
EQA7
EQB7
EQC7
F3AS
F1AS
F3A7
F3B7
F1A7
F1B7
GN1
(Table
D7
D7
0
0
0
0
0
26.)
EQA14
EQC14
EQA6
EQB6
EQC6
F3A6
F1A6
F3B6
F1B6
GN0
D6
D6
0
0
0
0
0
0
0
- 88 -
EQA13
EQB13
EQC13
F3A13
F3B13
F1A13
F1B13
EQA5
EQB5
EQC5
F3A5
F1A5
F3B5
F1B5
D5
D5
0
0
0
EQA12
EQB12
EQC12
F3A12
F3B12
F1A12
F1B12
EQA4
EQB4
EQC4
F3A4
F1A4
F3B4
F1B4
FIL1
D4
D4
0
0
EQA11
EQB11
EQC11
F3A11
F3B11
F1A11
F1B11
EQA3
EQB3
EQC3
F3A3
F1A3
F3B3
F1B3
EQ
D3
D3
0
0
EQA10
EQB10
EQC10
F3A10
F1A10
F3B10
F1B10
EQA2
EQB2
EQC2
F3A2
F1A2
F3B2
F1B2
FIL3
D2
D2
0
0
EQA1
EQA9
EQB1
EQB9
EQC1
EQC9
F3A1
F3A9
F1A1
F1A9
F3B1
F3B9
F1B1
F1B9
D1
D1
0
0
0
[AK4673]
2007/10
EQA0
EQA8
EQB0
EQB8
EQC0
EQC8
F3A0
F3A8
F1A0
F1A8
F3B0
F3B8
F1B0
F1B8
D0
D0
0
0
0