CS6422-4 N/A, CS6422-4 Datasheet - Page 19

• Manufacturer Part Number: CS6422-4
• Description: Enhanced Full-Duplex Speakerphone IC
• Manufacturer: N/A

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