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CS6422 Datasheet(PDF) 26 Page - Cirrus Logic

Part # CS6422
Description  Enhanced Full-Duplex Speakerphone IC
PDF  48 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS6422 Datasheet(HTML) 26 Page - Cirrus Logic

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CS6422
26
3.8
Register 5
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
HwlD
TD
APCD NPCD APFD NPFD AECD NECD
ASdt
NSdt
1010
00000000
0000
00
0
A
Bits
Name
Function
Word
Operation
15
HwlD
Howl detector Disable
0*
1
enable howl detector
disable howl detector
14
TD
Tone detector Disable
0*
1
enable tone detector
disable tone detector
13
APCD
Acoustic Path Change detector Disable
0*
1
enable PC detector
disable PC detector
12
NPCD
Network Path Change detector Disable
0*
1
enable PC detector
disable PC detector
11
APFD
Acoustic Pre-emphasis Filter Disable
0*
1
enable filter
disable filter
10
NPFD
Network Pre-emphasis Filter Disable
0*
1
enable filter
disable filter
9
AECD
Acoustic Echo Canceller Disable
0*
1
enable AEC
disable AEC
8
NECD
Network Echo Canceller Disable
0*
1
enable NEC
disable NEC
7-6
ASdt
Acoustic Sidetone level
00*
01
10
11
none
-24 dB
-18 dB
-12 dB
5-4
NSdt
Network Sidetone level
00*
01
10
11
none
-24 dB
-18 dB
-12 dB
* Denotes reset value
Table 8. Register 5 Bit Definitions
CS6422
26
DS295F1



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