CMX649 Просмотр технического описания (PDF) - CML Microsystems Plc
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CMX649 Datasheet PDF : 50 Pages
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ADM Codec
CMX649
Bit 2
0
0
0
0
1
1
Bit 1
0
0
1
1
0
0
Bit 0
0
1
0
1
0
1
-3dB Frequency
2.9kHz
3.7kHz
5.0kHz
7.0kHz
10.0kHz
14.0kHz
VOLUME/SIDETONE LEVEL Register ($62)
Volume Level
(Bits 7 – 3)
The five most significant bits in this register are used to set the gain of the volume
control according to the table below:
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3
0
0
0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
0
1
0
0
0
0
1
0
1
0
0
1
1
0
0
0
1
1
1
0
1
0
0
0
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
1
1
0
0
0
1
1
0
1
0
1
1
1
0
0
1
1
1
1
1
0
0
0
0
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
0
1
0
1
0
1
1
0
1
1
0
1
0
1
1
1
1
1
0
0
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
0
1
1
1
0
1
1
1
1
1
0
1
1
1
1
1
Increment Per Step = 1.5dB
Steps
Off
-33.0dB
-31.5dB
-30.0dB
-28.5dB
-27.0dB
-25.5dB
-24.0dB
-22.5dB
-21.0dB
-19.5dB
-18.0dB
-16.5dB
-15.0dB
-13.5dB
-12.0dB
-10.5dB
-9.0dB
-7.5dB
-6.0dB
-4.5dB
-3.0dB
-1.5dB
0.0dB
1.5dB
3.0dB
4.5dB
6.0dB
7.5dB
9.0dB
10.5dB
12.0dB
© 2003 CML Microsystems Plc
17
D/649/2
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