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WM8960CGEFL/V Datasheet(PDF) 22 Page - Cirrus Logic

Part # WM8960CGEFL/V
Description  Speaker and Headphone Drivers for Portable Audio Applications
PDF  94 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8960CGEFL/V Datasheet(HTML) 22 Page - Cirrus Logic

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WM8960
22
Rev 4.4
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R25 (19h)
Power
Management
(1)
5
AINL
0
Left channel input PGA and boost
stage enable
0 = PGA disabled, boost disabled
1 = PGA enabled (if LMIC = 1),
boost enabled
4
AINR
0
Right channel input PGA and boost
stage enable
0 = PGA disabled, boost disabled
1 = PGA enabled (if LMIC = 1),
boost enabled
R47 (2Fh)
Power
Management
(3)
5
LMIC
0
Left channel input PGA enable
0 = PGA disabled
1 = PGA enabled (if AINL = 1)
4
RMIC
0
Right channel input PGA enable
0 = PGA disabled
1 = PGA enabled (if AINR = 1)
Table 2 Input PGA and Boost Enable Register Settings
The
input
PGAs
can
be
configured
as
differential
inputs,
using
LINPUT1/LINPUT2
or
LINPUT1/LINPUT3, and RINPUT1/RINPUT2 or RINPUT1/RINPUT3. The input impedance to these
non-inverting inputs is constant in this configuration. Differential configuration is controlled by LMP2,
LMP3, RMP2 and RMP3 as shown in Table 3.
When single-ended configuration is selected, the non-inverting input of the PGA is connected to
VMID.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R32 (20h)
ADCL Input
Signal Path
3
LMIC2B
0
Connect Left Input PGA to Left Input Boost
mixer
0 = Not connected
1 = Connected
6
LMP2
0
Connect LINPUT2 to non-inverting input of
Left Input PGA
0 = LINPUT2 not connected to PGA
1 = LINPUT2 connected to PGA (Constant
input impedance)
7
LMP3
0
Connect LINPUT3 to non-inverting input of
Left Input PGA
0 = LINPUT3 not connected to PGA
1 = LINPUT3 connected to PGA (Constant
input impedance)
8
LMN1
1
Connect LINPUT1 to inverting input of Left
Input PGA
0 = LINPUT1 not connected to PGA
1 = LINPUT1 connected to PGA
R33 (21h)
ADCR Input
Signal Path
3
RMIC2B
0
Connect Right Input PGA to Right Input
Boost mixer
0 = Not connected
1 = Connected
6
RMP2
0
Connect RINPUT2 to non-inverting input of
Right Input PGA
0 = RINPUT2 not connected to PGA
1 = RINPUT2 connected to PGA (Constant
input impedance)



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