CMX649E3 CML Microcircuits, CMX649E3 Datasheet - Page 29
CMX649E3
Manufacturer Part Number
CMX649E3
Description
ADM Codec
Manufacturer
CML Microcircuits
Datasheet
1.CMX649E3.pdf
(52 pages)
- Current page: 29 of 52
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ADM Codec
Companding
Rule
(Bits 9 – 8)
Estimator
Integrator Time
Constant
(Bits 7 – 5)
Second Order
Estimator Time
Constant
(Bits 4 – 3)
2002 CML Microsystems Plc
This is the number of consecutive ones or zeros that must occur for the step size to
be adjusted.
Allows selection of the estimator integrator time constant.
Allows selection of the second order estimator time constant.
0
1
1
1
1
Bit 4
Bit 7
0
0
1
1
0
0
0
0
1
1
1
1
1
0
0
1
1
Bit 9
0
0
1
1
Bit 3
Bit 6
0
1
0
1
0
0
1
1
0
0
1
1
1
0
1
0
1
Bit 8
0
1
0
1
N/A (selects first order estimator).
(Estimator Time Constant)/2
(Estimator Time Constant)/4
(Estimator Time Constant)/8
29
Time Constant (ms), Bit Rate in kbps
Bit 5
0
1
0
1
0
1
0
1
Bluetooth compatible when
running at 64kbps.
5120
2560
2560
1280
1280
16/(3*Bit Rate)
24/(3*Bit Rate)
32/(3*Bit Rate)
48/(3*Bit Rate)
64/(3*Bit Rate)
96/(3*Bit Rate)
Bluetooth compatible when
running at 64kbps.
128/(3*Bit Rate
192/(3*Bit Rate)
Companding Rule
Decay Time Constant (ms)
3 of 3
4 of 4
5 of 5
6 of 6
Bluetooth compatible
when running at 64kbps.
10
20
10
20
10
CMX649
D/649/1
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