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CS6422-CS Datasheet(PDF) 17 Page - Cirrus Logic

Part # CS6422-CS
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-CS Datasheet(HTML) 17 Page - Cirrus Logic

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CS6422
17
3.4
Register 1
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
THDet
Taps
TVol
RSD
NCC
AuNECD
0
0
1
0
00
10
1010
0
00
0
2A
0
2
Bits
Name
Function
Word
Operation
15-14
THDet
Tx Half-duplex Detection
threshold
00*
01
10
11
6 dB
9 dB
12 dB
reserved
13-12
Taps
AEC/NEC Tap allocation
00
01
10*
11
444/64 (55.5 ms/8 ms)
380/128 (47.5 ms/16 ms)
316/192 (39.5 ms/24 ms)
252/256 (31.5 ms/32 ms)
11-8
TVol
Tx Volume control
0000
0001
---
0100
---
1010*
1011
---
1101
1110
1111
+30 dB
+27 dB
---
+18 dB
---
+0 dB
-3 dB
---
-9 dB
-12 dB
mute
7
RSD
Rx Suppression Disable
0*
1
enable Rx suppression
disable Rx suppression
6-5
NCC
NEC Coefficient Control
00*
01
10
11
Normal
Clear
Freeze
reserved
4
AuNECD
Auto re-engage NEC Disable
0*
1
enable Auto NEC
disable Auto NEC
* Denotes reset value
Table 4. Register 1 Bit Definitions
CS6422
DS295F1
17



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