AMBE2000 ETC, AMBE2000 Datasheet - Page 20
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AMBE2000
Manufacturer Part Number
AMBE2000
Description
VOCODER CHIP
Manufacturer
ETC
Datasheet
1.AMBE2000.pdf
(47 pages)
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All transfers occur through a serial port. The serial port inputs and outputs a 16 bit word for every write and read strobe signal
respectively. Serial mode can be formatted or unformatted. Within the unformatted mode, the data is input and output in
16 bits words still but with only 1 to 4 voice data bits carried within each word. These four configurations can be seen in Table
4-B. See section 4.3 for all the details on the serial interface.
Table 4-A Channel Interface Selection Table
Table 4-B Unformatted Bit per Word Selection Table
Confidential Proprietary, Subject to Change
Active Formatted
User’s Manual Version 3.0
Unformatted
Unformatted
Number
of Voice
Bits per
Port Type
Visit us at
Formatted
Word
Data
Passive
Passive
Active
1
2
3
4
page 20
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