參數(shù)資料
型號(hào): ZL38002QDG
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 Noise Reduction
中文描述: DATACOM, ISDN ECHO CANCELLER, PQFP48
封裝: 7 X 7 MM, 1 MM HEIGHT, MS-026ABC, TQFP-48
文件頁數(shù): 11/47頁
文件大小: 440K
代理商: ZL38002QDG
ZL38002
Data Sheet
11
Zarlink Semiconductor Inc.
Figure 4 - ST-BUS and GCI 8-Bit Companded PCM I/O on Timeslot 2 (Mode 2)
C4i
F0i (ST-BUS)
Sin
Rout
Rin
Sout
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
In ST-BUS/GCI Mode 2, echo canceller I/O channels are assigned to ST-BUS/GCI timeslot 2. Note that the user can configure PORT1
and PORT2 into different modes.
PORT1
PORT2
0
1
2
B
3
4
outputs = High impedance
inputs = don’t care
F0i (GCI)
start of frame (stbus & GCI)
EC
EC
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