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WM8958 Datasheet(PDF) 97 Page - Wolfson Microelectronics plc

Part # WM8958
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  377 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8958 Datasheet(HTML) 97 Page - Wolfson Microelectronics plc

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Pre-Production
WM8958
w
PP, August 2012, Rev 3.4
97
AIF1/AIF2
Output Volume
Volume
(dB)
AIF1/AIF2
Output Volume
Volume
(dB)
AIF1/AIF2
Output Volume
Volume
(dB)
AIF1/AIF2
Output Volume
Volume
(dB)
0h
MUTE
40h
-48.000
80h
-24.000
C0h
0.000
1h
-71.625
41h
-47.625
81h
-23.625
C1h
0.375
2h
-71.250
42h
-47.250
82h
-23.250
C2h
0.750
3h
-70.875
43h
-46.875
83h
-22.875
C3h
1.125
4h
-70.500
44h
-46.500
84h
-22.500
C4h
1.500
5h
-70.125
45h
-46.125
85h
-22.125
C5h
1.875
6h
-69.750
46h
-45.750
86h
-21.750
C6h
2.250
7h
-69.375
47h
-45.375
87h
-21.375
C7h
2.625
8h
-69.000
48h
-45.000
88h
-21.000
C8h
3.000
9h
-68.625
49h
-44.625
89h
-20.625
C9h
3.375
Ah
-68.250
4Ah
-44.250
8Ah
-20.250
CAh
3.750
Bh
-67.875
4Bh
-43.875
8Bh
-19.875
CBh
4.125
Ch
-67.500
4Ch
-43.500
8Ch
-19.500
CCh
4.500
Dh
-67.125
4Dh
-43.125
8Dh
-19.125
CDh
4.875
Eh
-66.750
4Eh
-42.750
8Eh
-18.750
CEh
5.250
Fh
-66.375
4Fh
-42.375
8Fh
-18.375
CFh
5.625
10h
-66.000
50h
-42.000
90h
-18.000
D0h
6.000
11h
-65.625
51h
-41.625
91h
-17.625
D1h
6.375
12h
-65.250
52h
-41.250
92h
-17.250
D2h
6.750
13h
-64.875
53h
-40.875
93h
-16.875
D3h
7.125
14h
-64.500
54h
-40.500
94h
-16.500
D4h
7.500
15h
-64.125
55h
-40.125
95h
-16.125
D5h
7.875
16h
-63.750
56h
-39.750
96h
-15.750
D6h
8.250
17h
-63.375
57h
-39.375
97h
-15.375
D7h
8.625
18h
-63.000
58h
-39.000
98h
-15.000
D8h
9.000
19h
-62.625
59h
-38.625
99h
-14.625
D9h
9.375
1Ah
-62.250
5Ah
-38.250
9Ah
-14.250
DAh
9.750
1Bh
-61.875
5Bh
-37.875
9Bh
-13.875
DBh
10.125
1Ch
-61.500
5Ch
-37.500
9Ch
-13.500
DCh
10.500
1Dh
-61.125
5Dh
-37.125
9Dh
-13.125
DDh
10.875
1Eh
-60.750
5Eh
-36.750
9Eh
-12.750
DEh
11.250
1Fh
-60.375
5Fh
-36.375
9Fh
-12.375
DFh
11.625
20h
-60.000
60h
-36.000
A0h
-12.000
E0h
12.000
21h
-59.625
61h
-35.625
A1h
-11.625
E1h
12.375
22h
-59.250
62h
-35.250
A2h
-11.250
E2h
12.750
23h
-58.875
63h
-34.875
A3h
-10.875
E3h
13.125
24h
-58.500
64h
-34.500
A4h
-10.500
E4h
13.500
25h
-58.125
65h
-34.125
A5h
-10.125
E5h
13.875
26h
-57.750
66h
-33.750
A6h
-9.750
E6h
14.250
27h
-57.375
67h
-33.375
A7h
-9.375
E7h
14.625
28h
-57.000
68h
-33.000
A8h
-9.000
E8h
15.000
29h
-56.625
69h
-32.625
A9h
-8.625
E9h
15.375
2Ah
-56.250
6Ah
-32.250
AAh
-8.250
EAh
15.750
2Bh
-55.875
6Bh
-31.875
ABh
-7.875
EBh
16.125
2Ch
-55.500
6Ch
-31.500
ACh
-7.500
ECh
16.500
2Dh
-55.125
6Dh
-31.125
ADh
-7.125
EDh
16.875
2Eh
-54.750
6Eh
-30.750
AEh
-6.750
EEh
17.250
2Fh
-54.375
6Fh
-30.375
AFh
-6.375
EFh
17.625
30h
-54.000
70h
-30.000
B0h
-6.000
F0h
17.625
31h
-53.625
71h
-29.625
B1h
-5.625
F1h
17.625
32h
-53.250
72h
-29.250
B2h
-5.250
F2h
17.625
33h
-52.875
73h
-28.875
B3h
-4.875
F3h
17.625
34h
-52.500
74h
-28.500
B4h
-4.500
F4h
17.625
35h
-52.125
75h
-28.125
B5h
-4.125
F5h
17.625
36h
-51.750
76h
-27.750
B6h
-3.750
F6h
17.625
37h
-51.375
77h
-27.375
B7h
-3.375
F7h
17.625
38h
-51.000
78h
-27.000
B8h
-3.000
F8h
17.625
39h
-50.625
79h
-26.625
B9h
-2.625
F9h
17.625
3Ah
-50.250
7Ah
-26.250
BAh
-2.250
FAh
17.625
3Bh
-49.875
7Bh
-25.875
BBh
-1.875
FBh
17.625
3Ch
-49.500
7Ch
-25.500
BCh
-1.500
FCh
17.625
3Dh
-49.125
7Dh
-25.125
BDh
-1.125
FDh
17.625
3Eh
-48.750
7Eh
-24.750
BEh
-0.750
FEh
17.625
3Fh
-48.375
7Fh
-24.375
BFh
-0.375
FFh
17.625
Table 41 AIF1 Output Path Digital Volume Range
AIF1 - OUTPUT PATH HIGH PASS FILTER
A digital high-pass filter can be enabled in the AIF1 output paths to remove DC offsets. This filter is
enabled independently in the four AIF1 output channels using the register bits described in Table 42.
The HPF cut-off frequency for the AIF1 Timeslot 0 channels is set using AIF1ADC1_HPF_CUT. The
HPF cut-off frequency for the AIF1 Timeslot 1 channels is set using AIF1ADC2_HPF_CUT.



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