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WM8946ECS/R Datasheet(PDF) 83 Page - Wolfson Microelectronics plc

Part # WM8946ECS/R
Description  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R Datasheet(HTML) 83 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
83
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
1
FLL_FRAC
1
Fractional enable
0 = Integer Mode
1 = Fractional Mode
Integer mode offers reduced power
consumption. Fractional mode offers
best FLL performance, provided also
that N.K is a non-integer value.
0
FLL_ENA
0
FLL Enable
0 = Disabled
1 = Enabled
R9 (09h)
FLL Control 2
15:0
FLL_K[15:0]
3137h
Fractional multiply for FREF
(MSB = 0.5)
R10 (0Ah)
FLL Control 3
14:5
FLL_N[9:0]
008h
Integer multiply for FREF
(LSB = 1)
3:0
FLL_GAIN
[3:0]
0100
Gain applied to error
0000 = x 1 (Recommended value)
0001 = x 2
0010 = x 4
0011 = x 8
0100 = x 16
0101 = x 32
0110 = x 64
0111 = x 128
1000 = x 256
Recommended that this register is set
to 0000.
Table 55 Frequency Locked Loop Control



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