參數(shù)資料
型號(hào)： WM9712LSEFV
廠商： Wolfson Microelectronics
元件分類： Codec
英文描述： AC97 Audio and Touchpanel CODEC
中文描述： AC97音頻編解碼器和觸摸屏
文件頁數(shù)： 20/78頁
文件大小： 689K
代理商： WM9712LSEFV
WM9712L
RECORD SELECTOR
Production Data
w
PD Rev 4.0 December 2003
20
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
digitized.
REGISTER
ADDRESS
1Ah
Record
Select
BIT
LABEL
DEFAULT
DESCRIPTION
14
BOOST
0
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)
13:12
R2P
11
11
R2PBOOST
0
10:8
RECSL
000
2:0
RECSR
000
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.
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參數(shù)描述
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