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WM8281ECS/R Datenblatt(PDF) 286 Page - Cirrus Logic

Teilenummer WM8281ECS/R
Bauteilbeschribung  Low Power Audio System with Ambient Noise Cancellation and Echo Cancellation
PDF  392 Pages
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Hersteller  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8281ECS/R Datenblatt(HTML) 286 Page - Cirrus Logic

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WM8281
286
Rev 4.0
The control registers applicable to Free-running FLL mode are described in Table 108.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R369
(0171h)
FLL1
Control 1
1
FLL1_FREERUN
1
FLL1 Free-Running Mode Enable
0 = Disabled
1 = Enabled
The FLL feedback mechanism is halted in
Free-Running mode, and the latest
integrator setting is maintained
R375
(0177h)
FLL1 Loop
Filter Test
1
15
FLL1_FRC_INTE
G_UPD
0
Write ‘1’ to apply the
FLL1_FRC_INTEG_VAL setting.
(Only valid when FLL1_FREERUN=1)
11:0
FLL1_FRC_INTE
G_VAL [11:0]
281h
FLL1 Forced Integrator Value
R376
(0178h)
FLL1 NCO
Test 0
15
FLL1_INTEG_VA
LID
0
FLL1 Integrator Valid
Indicates if the FLL1_INTEG register is
valid
0 = Not valid
1 = Valid
11:0
FLL1_INTEG
[11:0]
000h
FLL1 Integrator Value (Read-only)
Indicates the current FLL1 integrator
setting. Only valid when
FLL1_INTEG_VALID = 1.
R401
(0191h)
FLL2
Control 1
1
FLL2_FREERUN
1
FLL2 Free-Running Mode Enable
0 = Disabled
1 = Enabled
The FLL feedback mechanism is halted in
Free-Running mode, and the latest
integrator setting is maintained
R407
(0197h)
FLL2 Loop
Filter Test
1
15
FLL2_FRC_INTE
G_UPD
0
Write ‘1’ to apply the
FLL2_FRC_INTEG_VAL setting.
(Only valid when FLL2_FREERUN=1)
11:0
FLL2_FRC_INTE
G_VAL [11:0]
000h
FLL2 Forced Integrator Value
R408
(0198h)
FLL2 NCO
Test 0
15
FLL2_INTEG_VA
LID
0
FLL2 Integrator Valid
Indicates if the FLL2_INTEG register is
valid
0 = Not valid
1 = Valid
11:0
FLL2_INTEG
[11:0]
000h
FLL2 Integrator Value
(Read-only)
Indicates the current FLL2 integrator
setting. Only valid when
FLL2_INTEG_VALID = 1.
Table 108 Free-Running FLL Mode Control



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