CMX649 CML Microcircuits, CMX649 Datasheet - Page 17

• Manufacturer Part Number: CMX649
• Description: ADM Codec
• Manufacturer: CML Microcircuits

ADM Codec
VOLUME/SIDETONE LEVEL Register ($62)
Volume Level
(Bits 7 – 3)
2003 CML Microsystems Plc
Bit 7
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
The five most significant bits in this register are used to set the gain of the volume
control according to the table below:
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
0
0
1
1
Bit 4
Bit 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
0
0
1
1
0
0
1
1
0
0
Bit 3
Bit 0
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
0
1
0
1
0
1
17
-3dB Frequency
Increment Per Step = 1.5dB
10.0kHz
14.0kHz
2.9kHz
3.7kHz
5.0kHz
7.0kHz
-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
10.5dB
12.0dB
-9.0dB
-7.5dB
-6.0dB
-4.5dB
-3.0dB
-1.5dB
Steps
0.0dB
1.5dB
3.0dB
4.5dB
6.0dB
7.5dB
9.0dB
Off
CMX649
D/649/2