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CS4237B Datasheet, PDF (32/114 Pages) Cirrus Logic – CrystalClear Advanced Audio System with 3D Sound
◁
Decimal
Value
64
65
66
67
68
69
70
71
72
-
127
0
1
2
3
4
5
6
-
23
24
25
26
27
28
29
30
31
32
-
62
63
Hex
Value
40
41
42
43
44
45
46
47
48
-
7F
0
1
2
3
4
5
6
-
17
18
19
1A
1B
1C
1D
1E
1F
20
-
3E
3F
Digital
Atten.
0 dB
0 dB
0 dB
0 dB
0 dB
0 dB
0 dB
0 dB
res
-
res
0 dB
0 dB
0 dB
0 dB
0 dB
0 dB
0 dB
-
0 dB
-6 dB
-6 dB
-6 dB
-6 dB
-12 dB
-12 dB
-12 dB
-12 dB
-18dB
-
-60 dB
-60 dB
Analog LEVEL
Atten.
12.0 dB 12.0 dB
10.5 dB 10.5 dB
9.0 dB 9.0 dB
7.5 dB 7.5 dB
6.0 dB 6.0 dB
4.5 dB 4.5 dB
3.0 dB 3.0 dB
1.5 dB 1.5 dB
res
res
-
-
res
res
0.0 dB 0.0 dB
-1.5 dB -1.5 dB
-3.0 dB -3.0 dB
-4.5 dB -4.5 dB
-6.0 dB -6.0 dB
-7.5 dB -7.5 dB
-9.0 dB -9.0 dB
-
-
-34.5 dB -34.5 dB
-30.0 dB -36.0 dB
-31.5 dB -37.5 dB
-33.0 dB -39.0 dB
-34.5 dB -40.5 dB
-30.0 dB -42.0 dB
-31.5 dB -43.5 dB
-33.0 dB -45.0 dB
-34.5 dB -46.5 dB
-30.0 dB -48.0 dB
-
-
-33.0 dB -93.0 dB
-34.5 dB -94.5 dB
Table 12. Master Digital Gain
MG4 MG3 MG2 MG1 MG0 LEVEL
0
0
0
0
0
0 22.5 dB
1
0
0
0
0
1 21.0 dB
2
0
0
0
1
0 19.5 dB
3
0
0
0
1
1 18.0 dB
-
-
-
-
-
-
-
11
0
1
0
1
1
6.0 dB
12
0
1
1
0
0
4.5 dB
13
0
1
1
0
1
3.0 dB
14
0
1
1
1
0
1.5 dB
15
0
1
1
1
1
0 dB
-
-
-
-
-
-
-
28
1
1
1
0
0 -19.5 dB
29
1
1
1
0
1 -21.0 dB
30
1
1
1
1
0 -22.5 dB
31
1
1
1
1
1 -24.0 dB
Table 13. Microphone Gain
32
CS4237B
Decimal
Value
0
1
2
3
4
5
6
7
8
-
21
22
23
24
25
26
-
189
190
191
192
-
255
Sample Rate
50.40 KHz
48.00 KHz
32.00 KHz
27.42 KHz
16.00 KHz
9.600 KHz
8.000 KHz
6.620 KHz
50.40 KHz
-
50.40 KHz
48.10 KHz
46.01 KHz
44.10 KHz
42.36 KHz
40.70KHz
-
5600 KHz
5570.5 KHz
5541.4 KHz
5512.5 KHz
-
5512.5 KHz
Divider
16 X 21
353
529
617
1058
1764
2117
2558
16 X 21
-
16 X 21
16 X 22
16 X 23
16 X 24
16 X 25
16 X 26
-
16 X 189
16 X 190
16 X 191
16 X 192
-
16 X 192
Table 14. A/D Sample Rate (SRAD7-SRAD0)
Decimal
Value
0
1
2
3
4
5
6
7
8
-
21
22
23
24
25
26
27
28
-
255
Sample Rate
50.40 KHz
48.00 KHz
32.00 KHz
27.42 KHz
16.00 KHz
9.600 KHz
8.000 KHz
6.620 KHz
50.40 KHz
-
50.40 KHz
48.10 KHz
46.01 KHz
44.10 KHz
42.36 KHz
40.70 KHz
39.20 KHz
37.80 KHz
-
4.150 KHz
Divider
16 X 21
353
529
617
1058
1764
2117
2558
16 X 21
-
16 X 21
16 X 22
16 X 23
16 X 24
16 X 25
16 X 26
16 X 27
16 X 28
-
16 X 255
Table 15. D/A Sample Rate (SRDA7-SRDA0)
DS213PP4
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