CMX138 CML Microcircuits, CMX138 Datasheet - Page 44

• Manufacturer Part Number: CMX138
• Description: Audio Scrambler and Sub-Audio Signalling Processor
• Manufacturer: CML Microcircuits

Audio Scrambler and Sub-Audio Signalling Processor
9.1.9
Bits 1, 0 are reserved – clear to 0
© 2008 CML Microsystems Plc
AUDIO output gain
15
14
Analogue Output Gain - $B1 write
13
12
b9
b5
MOD output gain
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
b15
b12
11
b8
b4
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
10
b14
b11
b7
b3
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
9
DISC-AUDIO bypass
b13
b10
b6
b2
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
8
Page 44
AUDIO Output Gain
DISC-AUDIO bypass Gain
MOD Output Gain
7
MIC-MOD bypass Gain
-19.2dB
-16.0dB
-12.8B
-9.6dB
-6.4dB
-3.2dB
mute
6
0dB
-22.4dB
-19.2dB
-16.0dB
-12.8dB
12.8dB
16.0dB
19.2dB
22.4dB
-9.6dB
-6.4dB
-3.2dB
3.2dB
6.4dB
mute
9.6B
0dB
5
MIC-MOD bypass
4
3
2
D/138_FI1.0/5
1
0
CMX138
0
0