AK4753 Datasheet, PDF (70/85 Pages) Asahi Kasei Microsystems – 2-in, 4-out CODEC with DSP Functions

[AK4753]
■ Register Definitions of DSP2 Function
Each setting of the function is shown below. To distinguish DSP1 and DSP2, “1” is added to the head of each bit name
for DSP1, and “2” is added for DSP2.
Addr Register Name D7
D6
D5
D4
D3
D2
D1
D0
46H
HPF/LPF
Setting
0
0
0
0
0
0
2FILSEL 2FILEN
R/W
RD
RD
RD
RD
RD
RD
R/W
R/W
Default
0
0
0
0
0
0
0
0
2FILEN: High Pass and Low Pass Filter Enable bit
0: HPF and LPF Disable (default)
1: HPF and LPF Enable
2FILSEL: HPF or LPF Select bit
0: LPF becomes effective (default)
1: HPF becomes effective
Addr
47H
48H
49H
4AH
4BH
4CH
4DH
4EH
4FH
Register Name
DSP2 Filter
A Coefficient 1
DSP2 Filter
A Coefficient 2
DSP2 Filter
A Coefficient 3
DSP2 Filter
B Coefficient 1
DSP2 Filter
B Coefficient 2
DSP2 Filter
B Coefficient 3
DSP2 Filter
C Coefficient 1
DSP2 Filter
C Coefficient 2
DSP2 Filter
C Coefficient 3
R/W
Default
D7
2FA7
2FA15
0
2FB7
2FB15
0
2FC7
2FC15
0
R/W
0
D6
2FA6
2FA14
0
2FB6
2FB14
0
2FC6
2FC14
0
R/W
0
D5
2FA5
2FA13
0
2FB5
2FB13
0
2FC5
2FC13
0
R/W
0
D4
2FA4
2FA12
0
2FB4
2FB12
0
2FC4
2FC12
0
R/W
0
2FA19-0, 2FB19-0, 2FC19-0: HPF and LPF Coefficient Setting bit
Default: “00000H”
D3
2FA3
2FA11
2FA19
2FB3
2FB11
2FB19
2FC3
2FC11
2FC19
R/W
0
D2
2FA2
2FA10
2FA18
2FB2
2FB10
2FB18
2FC2
2FC10
2FC18
R/W
0
D1
2FA1
2FA9
2FA17
2FB1
2FB9
2FB17
2FC1
2FC9
2FC17
R/W
0
D0
2FA0
2FA8
2FA16
2FB0
2FB8
2FB16
2FC0
2FC8
2FC16
R/W
0
MS1311-E-00
- 70 -
2011/07