CS6422
3.7 Register 4
b15 b14 b13 b12
AErle
AFNse
00
00
0
b11 b10 b9 b8
NErle
NFNse
00
00
0
b7 b6 b5 b4 b3 b2 b1 b0
RGain
TGain
1000
00
00
0
8
Bits
15-14
13-12
11-10
9-8
7-6
5-4
Name
AErle
AFNse
NErle
NFNse
RGain
TGain
Function
AEC Erle threshold
AEC Full-duplex Noise threshold
NEC Erle threshold
NEC Full-duplex Noise threshold
Rx analog Gain
Tx analog Gain
* Denotes reset value
Table 7. Register 4 Bit Definitions
Word
00*
01
10
11
00*
01
10
11
00*
01
10
11
00*
01
10
11
00*
01
10
11
00*
01
10
11
Operation
24 dB
18 dB
30 dB
reserved
zero
-42 dB
-54 dB
reserved
24 dB
18 dB
30 dB
reserved
zero
-42 dB
-54 dB
reserved
0 dB
6 dB
9.5 dB
12 dB
0 dB
6 dB
9.5 dB
12 dB
24
DS295F1