CS6422-4 N/A, CS6422-4 Datasheet - Page 14

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

3.3
14
13-12
11-8
b15
Bits
Mic
6-5
15
14
1
7
4
Register 0
HDD
TSMde
b14
Name
HDD
RVol
ACC
TSD
0
Mic
GB
* Denotes reset value
A
b13
GB
Microphone preamplifier enable
10
b12
Tx Suppression Disable
AEC Coefficient Control
Tx Suppression Mode
Half-Duplex Disable
Rx Volume control
Graded Beta
b11
Function
b10
0100
RVol
Table 3. Register 0 Bit Definitions
4
b9
b8
TSD
b7
0
0100*
Word
0000
0001
1010
1011
1101
1110
1111
10*
00*
00
01
01
10
11
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11
1*
0*
0*
0*
0
1
1
1
b6
ACC
00
0
b5
TSMde
b4
0
disable Tx suppression
enable Tx suppression
disable mic preamp
disable noise guard
enable mic preamp
enable noise guard
disable half-duplex
enable half-duplex
b3
0.00 dB/ms
0.75 dB/ms
0.38 dB/ms
0.19 dB/ms
0
Operation
reserved
Normal
+30 dB
+27 dB
+18 dB
Freeze
-12 dB
+0 dB
-3 dB
-9 dB
Clear
mute
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b2
0
0
CS6422
b1
0
b0
0