MT9315 Zarlink Semiconductor, MT9315 Datasheet - Page 9
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MT9315
Manufacturer Part Number
MT9315
Description
Acoustic Echo CANceller
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT9315.pdf
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MT9315
8
In ST-BUS Mode 1, echo canceller I/O channels are assigned to ST-BUS timeslot 0. Note that the user could configure PORT1 and
PORT2 into different ST-BUS modes.
In ST-BUS Mode 2, echo canceller I/O channels are assigned to ST-BUS timeslot 2. Note that the user could configure PORT1 and
PORT2 into different ST-BUS modes.
C4i
F0i
PORT1
Rin
Sout
PORT2
Sin
Rout
C4i
F0i
PORT1
Rin
Sout
PORT2
Sin
Rout
outputs = High impedance
outputs = High impedance
inputs = don’t care
inputs = don’t care
Figure 3 - ST-BUS 8 Bit Companded PCM I/O on Timeslot 0 (Mode 1)
Figure 4 - ST-BUS 8 Bit Companded PCM I/O on Timeslot 2 (Mode 2)
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
0
B
0
1
1
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
7 6 5 4 3 2 1 0
B
2
2
Advance Information
3
3
4
4
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