Cirrus Logic CS6422 - Manual (Page 19)

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