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WM9714CLGEFL/V Datasheet(PDF) 49 Page - Cirrus Logic

Part # WM9714CLGEFL/V
Description  AC??7 Audio Codec
PDF  120 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM9714CLGEFL/V Datasheet(HTML) 49 Page - Cirrus Logic

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WM9714L
Rev 4.0
49
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
10h
MIC Routing
7
MA2M
1
MICA to Mono Mixer Mute Control
1 = Mute
0 = No mute
6
MB2M
1
MICB to Mono Mixer Mute Control
1 = Mute
0 = No mute
5
MIC2MBST
0
MIC to Mono Mixer Boost Control
1 = +20dB
0 = 0dB
4:3
MIC2H
11
MIC to Headphone Mixer Path Control
00 = stereo
01 = MICA only
10 = MICB only
11 = mute MICA and MICB
2:0
MIC2HVOL
010
(0dB)
MIC to Headphone Mixer Path Volume
Control
000 = +6dB
… (+3dB steps)
111 = -15dB
Table 27 Microphone PGA Routing Control
MONOIN INPUT
Pin 20 (MONOIN) is a mono input designed to connect to the receive path of a telephony device. The
pin connects directly to the record selector for phone call recording (Note: to record both sides of a
phone call, one ADC channel should record the MONOIN signal while the other channel records the
MIC signal). The record PGA adjusts the recording volume, and is controlled by register 12h or by the
ALC function (see
“Record Gain” and “Automatic Level Control”).
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
14h
Record
Routing
15:14
R2H
11 (mute)
Record Mux to Headphone Mixer Path
Control
00 = stereo
01 = left record mux only
10 = right rec mux only
11=mute left and right
13:11
R2HVOL
010 (0dB)
Record Mux to Headphone Mixer Path
Volume Control
000 = +6dB
… (+3dB steps)
111 = -15dB
10:9
R2M
11 (mute)
Record Mux to Mono Mixer Path Control
00 = stereo
01 = left record mux only
10 = right record mux only
11 = mute left and right
8
R2MBST
0 (0dB)
Record Mux to Headphone Mixer Boost
Control
1 = +20dB
0 = 0dB
Table 28 Record PGA Routing Control



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