Cirrus Logic CS6422 - Manual (Page 14)

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