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CS47L85 Datasheet(PDF) 56 Page - Cirrus Logic

Part # CS47L85
Description  Low-Power Smart Codec with Seven DSP Cores, Voice and Media Enhancement, and Integrated Sensor Hub
PDF  370 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS47L85 Datasheet(HTML) 56 Page - Cirrus Logic

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CS47L85
56
Rev 4.3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
R792
(0318h)
IN2L_Cont
rol
15
IN2L_HPF
0
Input Path 2 (Left) HPF Enable
0 = Disabled
1 = Enabled
12:11
IN2_DMIC_SUP
[1:0]
00
Input Path 2 DMIC Reference Select
(Sets the DMICDAT2 and DMICCLK2
logic levels)
00 = MICVDD
01 = MICBIAS1
10 = MICBIAS2
11 = MICBIAS3
10
IN2_MODE
00
Input Path 2 Mode
0 = Analogue input
1 = Digital input
7:1
IN2L_PGA_VOL
[6:0]
40h
Input Path 2 (Left) PGA Volume
(Applicable to analogue inputs only)
00h to 3Fh = Reserved
40h = 0dB
41h = 1dB
42h = 2dB
… (1dB steps)
5F = 31dB
60h to 7Fh = Reserved
R793
(0319h)
ADC_Digit
al_Volume
_2L
14:13
IN2L_SRC [1:0]
00
Input Path 2 (Left) Source
00 = Differential (IN2ALP - IN2ALN)
01 = Single-ended (IN2ALP)
10 = Differential (IN2BLP-IN2BLN)
11 = Single-ended (IN2BLP)
R794
(031Ah)
DMIC2L_
Control
10:8
IN2_OSR [2:0]
101
Input Path 2 DMIC Oversample Rate
When digital microphone input is selected
(IN2_MODE=1), this field controls the
sample rate as below:
000 = Reserved
001 = Reserved
010 = 384kHz
011 = 768kHz
100 = 1.536MHz
101 = 3.072MHz
110 = 6.144MHz
111 = Reserved
When IN2_OSR=010 or 011, then the
maximum Input Path sample rate (all input
paths) is 48kHz or 96kHz respectively.
If Input Path 2 DMIC is selected as a
source for the Rx ANC function, the
IN2_OSR field must be set to 101.
5:0
IN2L_DMIC_DLY
[5:0]
00h
Input Path 2 (Left) Digital Delay
(Applicable to digital input only)
LSB = 1 sample, Range is 0 to 63.
(Sample rate is controlled by IN2_OSR.)
R796
(031Ch)
IN2R_Con
15
IN2R_HPF
0
Input Path 2 (Right) HPF Enable
0 = Disabled
1 = Enabled



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