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參數(shù)資料
| 型號(hào)： | ZL38001QDC |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | Low-Voltage Acoustic Echo Canceller with Low ERL Compensation |
| 中文描述： | DATACOM, ISDN ECHO CANCELLER, PQFP48 |
| 封裝： | 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFP-48 |
| 文件頁(yè)數(shù)： | 15/47頁(yè) |
| 文件大?。?/td> | 668K |
| 代理商： | ZL38001QDC |
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ZL38001
Data Sheet
15
Zarlink Semiconductor Inc.
Figure 5 - ST-BUS and GCI 8-Bit Companded PCM I/O with D and C channels (Mode 3)
C4i
F0i (ST-BUS)
Rin
Sout
EC
Sin
Rout
EC
PORT1
PORT2
indicates that an input channel is bypassed to an output channel
ST-BUS/GCI Mode 3 supports connection to 2 B+D devices where timeslots 0 and 1 transport D and C channels and echo canceller
(EC) I/O channels are assigned to ST-BUS timeslot 2 (B). Both PORT1 and PORT2 must be configured in Mode 3.
0
D
1
C
2
B
3
4
outputs = High impedance
inputs = don’t care
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
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
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
F0i (GCI)
start of frame (stbus & GCI)
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