wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 244
wm8351
Manufacturer Part Number
wm8351
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8351.pdf
(328 pages)
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WM8351
REGISTER
Register 2Ah FLL Control 1
Register 2Bh FLL Control 2
REGISTER
Register 2Ch FLL Control 3
Register 2Dh FLL Control 4
w
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
ADDRESS
FLL Control
FLL Control
FLL Control
R44 (2Ch)
R43 (2Bh)
R45 (2Dh)
3
2
4
BIT
BIT
15:11
BIT
15:0
BIT
1:0
9:0
7
5
FLL_CLK_SRC[1:0]
FLL_RATIO[4:0]
FLL_K[15:0]
FLL_REF_FREQ
LABEL
FLL_N[9:0]
LABEL
FLL_FRAC
LABEL
LABEL
DEFAULT
DEFAULT
DEFAULT
(0Eh)
DEFAULT
086h
C226h
14
00
0
0
CLK_VCO is divided by this integer, valid from 1
…31.
1 recommended for high freq reference
8 recommended for low freq reference
FLL integer multiplier N for CLK_REF
Low frequency reference locking
0 = High frequency reference locking
(recommended for reference clock > 48kHz)
1 = Lock frequency reference locking
(recommended for reference clock <= 48kHz)
Fractional enable
0 = Integer Mode
1 = Fractional Mode
1 recommended in all cases
Select FLL input clock Source
00 = MCLK
01 = DACLRCLK
10 = ADCLRCLK
11 = CLK_32K_REF
Recommended that these are not changed from
default.
FLL fractional multiplier K for CLK_REF. This
is only used if FLL_FRAC is set.
DESCRIPTION
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
REFER TO
REFER TO
Production Data
244
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