CS6422
CS6422
3.5
Register 2
b15 b14 b13 b12 b11 b10
b9
b8
b7
b6
b5
b4
b3 b2 b1 b0
RHDet
00
RSThd
00
NseRmp
00
HDly
00
HHold TDSRmp RDSRmp IdlTx
0
1
0
0
0
0
0
0
0
0
0
4
Bits
15-14
Name
RHDet
Function
Word
00*
01
10
11
00*
01
10
11
00*
01
10
11
00*
01
10
11
0*
Operation
6 dB
9 dB
12 dB
reserved
6 dB
Rx Half-duplex Detection threshold
Rx Suppression Threshold
Noise estimator Ramp rate
half-duplex Holdover Delay
Hold in half-duplex on Howl
13-12
11-10
9-8
RSThd
NseRmp
HDly
9 dB
12 dB
reserved
3 dB/s
6 dB/s
12 dB/s
reserved
200 ms
100 ms
150 ms
reserved
7
6
5
4
HHold
TDSRmp
RDSRmp
IdlTx
disable HHold
enable HHold
slow
1
0*
1
0*
1
0*
1
Tx Double-talk Suppression Ramp rate
Rx Double-talk Suppression Ramp rate
half-duplex Idle return-to-Transmit
normal
slow
normal
disable IdlTx
enable IdlTx
* Denotes reset value
Table 5. Register 2 Bit Definitions
19
19
DS295F1
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