CS6422
CS6422
3.3
Register 0
b15 b14 b13 b12 b11 b10
b9
b8
b7
TSD
0
b6
ACC
00
b5
b4
TSMde
0
b3
0
b2
0
b1
0
b0
0
Mic HDD
GB
10
RVol
0100
4
1
0
A
0
0
Bits Name
Function
Word
0
1*
0*
1
Operation
15
Mic
HDD
GB
Microphone preamplifier enable
Half-Duplex Disable
Graded Beta
disable mic preamp
enable mic preamp
enable half-duplex
disable half-duplex
0.00 dB/ms
0.75 dB/ms
0.38 dB/ms
0.19 dB/ms
+30 dB
14
13-12
00
01
10*
11
0000
0001
---
11-8
RVol
Rx Volume control
+27 dB
---
0100*
---
+18 dB
---
1010
1011
---
+0 dB
-3 dB
---
1101
1110
1111
0*
1
00*
01
-9 dB
-12 dB
mute
7
TSD
ACC
Tx Suppression Disable
AEC Coefficient Control
enable Tx suppression
disable Tx suppression
Normal
6-5
Clear
10
Freeze
11
reserved
4
TSMde
Tx Suppression Mode
0*
1
enable noise guard
disable noise guard
* Denotes reset value
Table 3. Register 0 Bit Definitions
14
14
DS295F1
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