CMX649E3 CML Microcircuits, CMX649E3 Datasheet - Page 19
CMX649E3
Manufacturer Part Number
CMX649E3
Description
ADM Codec
Manufacturer
CML Microcircuits
Datasheet
1.CMX649E3.pdf
(52 pages)
- Current page: 19 of 52
- Download datasheet (412Kb)
ADM Codec
Sidetone Level
(Bits 2 – 1)
Sidetone Enable
(Bit 0)
AUDIO INPUT LEVEL CONTROL Register ($63)
Audio Input
Level Control
(Bits 7 – 3)
2002 CML Microsystems Plc
Bit 7
These bits control the gain of the sidetone signal coming from the AAF output to be
summed in with the decode signal at the input to the AIF.
When this bit is a logic 1 the sidetone path is enabled with the gain setting controlled
as shown above. When this bit is logic 0 the sidetone path is disabled.
These bits are used to set the gain of the Digitally Controlled Amplifier (DCA) at the
output of the microphone amplifier.
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Bit 6
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Bit 5
Bit 2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
Bit 4
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Bit 1
0
1
0
1
Bit 3
19
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Gain Setting
-15dB
-21dB
-9dB
0dB
Audio Input Gain
-7.5dB
-7.0dB
-6.5dB
-6.0dB
-5.5dB
-5.0dB
-4.5dB
-4.0dB
-3.5dB
-3.0dB
-2.5dB
-2.0dB
-1.5dB
-1.0dB
-0.5dB
0.0dB
0.5dB
1.0dB
1.5dB
2.0dB
2.5dB
3.0dB
3.5dB
4.0dB
4.5dB
5.0dB
5.5dB
6.0dB
6.5dB
7.0dB
7.5dB
Off
CMX649
D/649/1
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