wm9711lgefl-v Wolfson Microelectronics plc, wm9711lgefl-v Datasheet - Page 19
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wm9711lgefl-v
Manufacturer Part Number
wm9711lgefl-v
Description
Low Power Audio Codec For Portable Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM9711LGEFL-V.pdf
(65 pages)
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Production Data
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RECORD SELECTOR
The record selector determines which input signals are routed into the audio ADC. The left and right
channels can be selected independently. This is useful for recording a phone call: one channel can
be used for the RX signal and the other for the TX signal, so that both sides of the conversation are
digitised.
Table 7 Audio Record Selector
Note:
*In stereo mic mode, MIC1 is routed to the left ADC and MIC2 to the right ADC. In all mono
mic modes, the same signal (MIC1, MIC2 or MIC1-MIC2) is routed to both the left and right
ADCs. See “Microphone Input” section for details.
1Ah
Record
Select
REGISTER
ADDRESS
14
13:12
11
10:8
2:0
BIT
BOOST
R2P
R2PBOOST
RECSL
RECSR
LABEL
0
11
0
000
000
DEFAULT
20dB Boost
1: Boost ADC input signal by 20dB
0 :No boost
Record to phone path enable
00: Left ADC and Right ADC to phone
mixer
01 : Left ADC to phone mixer
10: Right ADC to phone imixer
11 : Muted
20dB Boost for ADC to phone signal
1: Boost signal by 20dB
0 :No boost
Left ADC signal source
000: MIC* (pre-PGA)
001-010: Reserved (do not use this setting)
011: Speaker mix
100: LINEINL (pre-PGA)
101: Headphone Mix (left)
110: Phone Mix
111: PHONE (pre-PGA)
Right ADC signal source
000: MIC* (pre-PGA)
001-010: Reserved (do not use this setting)
011: Speaker mix
100: LINEINR (pre-PGA)
101: Headphone Mix (right)
110: Phone Mix
111: PHONE (pre-PGA)
DESCRIPTION
PD Rev 4.3 August 2006
WM9711L
19
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