AMBE-2000 Digital Voice Systems, Inc., AMBE-2000 Datasheet - Page 55
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AMBE-2000
Manufacturer Part Number
AMBE-2000
Description
2.0 - 9.6 KBPS Single ic For Toll-quality, Low Data Rate, Real Time Speech Compression
Manufacturer
Digital Voice Systems, Inc.
Datasheet
1.AMBE-2000.pdf
(64 pages)
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NOTE: The SDI Control bit must be set to 0 for approximately 365 msec following a hardware reset.
Table 2: Alternate Configuration Data for the AD73311
AD73311L codec (3 volt supply)
The Analog Devices AD73311L is a low power 3 volt version of the AD73311. It is possible to use this part with
the AMBE-2000™ or AMBE-2020™ vocoder chip utilizing the method described above for sending alternate
configuration words to the AD73311 CODEC. Table 3 lists alternate control words for configuring the AD73311L
for use with the AMBE-2000™ or AMBE-2020™.
Table 3: Configuration Data for the AD73311L
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Register Address
Register Address
(D10-D8)
(D10-D8)
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CRD
CRA
CRD
CRA
CRB
CRC
CRB
CRC
0x1
0x2
0x3
0x0
0x1
0x2
0x3
0x0
Configuration Data
Configuration Data
(D7-D0)
(D7-D0)
0x13
0x79
0x00
0x01
0x13
0x79
0x00
0x01
Gain set to 0
D0 = 1 Puts CODEC in Data Mode
Gain set to 0
D0 = 1 Puts CODEC in Data Mode
Notes:
MCD = 1 Sets DMCLK=MCLK/2
SCD = 0
D6 = 1 Reference Out Enabled
D5 = 1 Reference Power On
D4 = 1 DAC Power On
D3 = 1 ADC Power On
D0 = 1 Power On
Notes:
MCD = 1 Sets DMCLK=MCLK/2
SCD = 0
D6 = 1 Reference Out Enabled
D5 = 1 Reference Power On
D4 = 1 DAC Power On
D3 = 1 ADC Power On
D0 = 1 Power On
Sets SCLK=DMCLK/8
Sets SCLK=DMCLK/8
Page 55