AMBE2000 ETC, AMBE2000 Datasheet - Page 27

• Manufacturer Part Number: AMBE2000
• Description: VOCODER CHIP
• Manufacturer: ETC

5.2.5 Formatted Input : Word 7 : Unused in Input
Should be set to 0x0000
5.2.6 Formatted Input : Word 8 : Unused in Input
Should be set to 0x0000
5.2.7 Formatted Input : Word 9 : Unused in Input
Should be set to 0x0000
5.2.8 Formatted Input : Word 10 :DTMF Control
Use this word to set DTMF tones. See Table 5-F for a list of tones and their corresponding values.
Rate Info 0
0x0028
0x5048
0x5250
0x1030
0x5360
0x5250
0x5048
0x1030
0x6b80
0x5250
0x5258
0x5250
0x5048
0x1030
0x7fa0
0x7fc0
MSB
15:
14
Rate Info 1
0x0000
0x0000
0x0000
0x0001
0x0000
0x2010
0x0001
0x0005
0x0000
0x0001
0x0009
0x0000
0x0005
0x0000
0x000e
0x000e
Table 5-D Rate Selection Using Rate Info 0-4, AMBE-2000™ only
13
DTMF Amplitude
Table 5-E DTMF Control Format
12
Rate Info 2
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000
0x2010
0x0000
0x4010
0x681a
0x180c
0x1e0c
11
Confidential Proprietary, Subject to Change
10
User’s Manual Version 3.0
DTMF Control – 16-bits
Rate Info 3
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0x0000
0x0000
0x0000
0x341a
0x0000
0x0000
0x2412
0x3018
0x0000
0x542a
0x4127
0x0000
0x6834
0x0000
0x6a2e
0x511b
9
8
page 27
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Rate Info 4
7
0x6428
0x3948
0x4150
0x6750
0x7460
0x6860
0x7360
0x5280
0x7390
0x52a0
0x72a0
0x6c60
0x6c80
0x69c0
0x65c0
0x76c0
6
DTMF Digit Detect/ Generate
Speech Rate
5
(bps)
2000
3600
4000
2400
4800
4000
3600
2400
6400
4000
4400
8000
4000
9600
3600
2400
4
3
FEC Rate
(bps)
1600
1200
2400
2400
2800
4000
6000
7200
800
0
0
0
0
0
0
0
2
1
Total Rate
LSB
(bps)
2000
3600
4000
4800
6400
7200
8000
9600
0: