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WM1811A Datasheet(PDF) 198 Page - Wolfson Microelectronics plc

Part # WM1811A
Description  Multi-Channel Audio Hub CODEC for Smartphones
PDF  328 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM1811A Datasheet(HTML) 198 Page - Wolfson Microelectronics plc

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WM1811A
Production Data
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PD, November 2013, Rev 4.1
198
EXAMPLE FLL SETTINGS
Table 118 provides example FLL settings for generating common SYSCLK frequencies from a variety
of low and high frequency reference inputs.
FSOURCE
FOUT(MHz)
FREF
Divider
N.K
FRATIO FVCO (MHz)
OUTDIV
FLLn_N
FLLn_
EFS_EN
A
FLLn_
THETA
FLLn_
LAMBDA
32.000kHz
12.288
1
192
16
98.304
8
0C0h
0
32.000kHz
11.2896
1
176.4
16
90.3168
8
0B0h
1
0002h
0005h
32.768kHz
12.288
1
187.5
16
98.304
8
0BBh
1
0001h
0002h
32.768kHz
11.2896
1
172.2656
16
90.3168
8
0ACh
1
0011h
0040h
44.1 kHz
11.2896
1
128
16
90.3168
8
080h
0
48 kHz
12.288
1
128
16
98.304
8
080h
0
128 kHz
2.048
1
96
8
98.304
48
060h
0
128 kHz
12.288
1
96
8
98.304
8
060h
0
512 kHz
2.048
1
96
2
98.304
48
060h
0
512 kHz
12.288
1
96
2
98.304
8
060h
0
1.4112 MHz
11.2896
1
64
1
90.3168
8
040h
0
2.8224 MHz
11.2896
1
32
1
90.3168
8
020h
0
1.536 MHz
12.288
1
64
1
98.304
8
040h
0
3.072 MHz
12.288
1
32
1
98.304
8
020h
0
11.2896
12.288
1
8.7075
1
98.304
8
008h
1
0068h
0093h
12.000MHz
12.288
1
8.192
1
98.304
8
008h
1
0018h
007Dh
12.000MHz
11.2896
1
7.5264
1
90.3168
8
007h
1
0149h
0271h
12.288MHz
12.288
1
8
1
98.304
8
008h
0
12.288MHz
11.2896
1
7.35
1
90.3168
8
007h
1
0007h
0014h
13.000MHz
12.288
1
7.5618
1
98.304
8
007h
1
0391h
0659h
13.000MHz
11.2896
1
6.9474
1
90.3168
8
006h
1
1E12h
1FBDh
19.200MHz
12.288
2
10.24
1
98.304
8
00Ah
1
0006h
0019h
19.200MHz
11.2896
2
9.408
1
90.3168
8
009h
1
0033h
007Dh
24 MHz
12.288
2
8.192
1
98.304
8
008h
1
0018h
007Dh
24 MHz
11.2896
2
7.5264
1
90.3168
8
007h
1
0149h
0271h
26 MHz
12.288
2
7.5618
1
98.304
8
007h
1
0391h
0659h
26 MHz
11.2896
2
6.9474
1
90.3168
8
006h
1
1E12h
1FBDh
27 MHz
12.288
2
7.2818
1
98.304
8
007h
1
013Dh
0465h
27 MHz
11.2896
2
6.6901
1
90.3168
8
006h
1
050Eh
0753h
FOUT = (FSOURCE / FREF Divider) * N.K * FRATIO / OUTDIV
The values of N and K are contained in the FLLn_N, FLLn_THETA and FLLn_LAMBDA registers as shown above.
See Table 115 and Table 116 for the coding of the FLLn_REFCLK_DIV, FLLn_FRATIO and FLLn_OUTDIV registers.
Table 118 Example FLL Settings



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