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參數(shù)資料
| 型號： | ZL50232 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | 32 Channel Voice Echo Canceller |
| 中文描述： | 32頻道語音回聲消除器 |
| 文件頁數(shù)： | 1/41頁 |
| 文件大?。?/td> | 551K |
| 代理商： | ZL50232 |
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Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 2003-2004, Zarlink Semiconductor Inc. All Rights Reserved.
Features
Independent multiple channels of echo
cancellation; from 32 channels of 64 ms to 16
channels of 128 ms with the ability to mix
channels at 128 ms or 64 ms in any combination
Independent Power Down mode for each group
of 2 channels for power management
Fully compliant to ITU-T G.165, G.168 (2000) and
(2002) specifications
Passed all AT&T voice quality tests for carrier
grade echo canceller.
Compatible to ST-BUS and GCI interface at
2 Mbps serial PCM
PCM coding,
μ
/A-Law ITU-T G.711 or sign
magnitude
Per channel Fax/Modem G.164 2100Hz or G.165
2100Hz phase reversal Tone Disable
Per channel echo canceller parameters control
Transparent data transfer and mute
Fast reconvergence on echo path changes
Fully programmable convergence speeds
Patented Advanced Non-Linear Processor with
high quality subjective performance
Protection against narrow band signal
divergence and instability in high echo
environments
+9 dB to -12 dB level adjusters (3 dB steps) at all
signal ports
Offset nulling of all PCM channels
10 MHz or 20 MHz master clock operation
3.3 V pads and 1.8 V Logic core operation with
5 V tolerant inputs
IEEE-1149.1 (JTAG) Test Access Port
Applications
Voice over IP network gateways
Voice over ATM, Frame Relay
T1/E1/J1 multichannel echo cancellation
Wireless base stations
Echo Canceller pools
DCME, satellite and multiplexer system
November 2004
Ordering Information
ZL50232/QCC
ZL50232/GDC
ZL50232QCC1
100 Pin LQFP
208 Ball LBGA
100 Pin LQFP*
Trays
Trays
Trays
* Pb Free Matte Tin
-
40
°
C to +85
°
C
ZL50232
32 Channel Voice Echo Canceller
Data Sheet
Figure 1 - ZL50232 Device Overview
RESET
Rout
IC0
Sout
DS CS R/W A10-A0 DTA
D7-D0
Echo Canceller Pool
V
SS
V
DD1 (3.3V)
TDI TDO TCK TRST
TMS
Rin
IRQ
C4i
F0i
MCLK
Fsel
ODE
Sin
Test Port
Microprocessor Interface
Timing
Unit
Serial
to
Parallel
Parallel
to
Serial
PLL
Group 0
ECA/ECB
Group 4
ECA/ECB
Group 8
ECA/ECB
Group 12
ECA/ECB
Group 1
ECA/ECB
Group 5
ECA/ECB
Group 9
ECA/ECB
Group 13
ECA/ECB
Group 2
ECA/ECB
Group 6
ECA/ECB
Group 10
ECA/ECB
Group 14
ECA/ECB
Group 3
ECA/ECB
Group 7
ECA/ECB
Group 11
ECA/ECB
Group 15
ECA/ECB
Note:
Refer to Figure 4
for Echo Canceller
block diagram
V
DD2 (1.8 V)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ZL50233GD | 4 Channel Voice Echo Cancellor |
| ZL50233GDC | 4 Channel Voice Echo Cancellor |
| ZL50233QC | 4 Channel Voice Echo Cancellor |
| ZL50233QCC | 4 Channel Voice Echo Cancellor |
| ZL50233 | 4 Channel Voice Echo Cancellor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZL50232/GDC | 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 32CH G.164/G.165/G.168/G.711 W/ TONE DET - Trays |
| ZL50232/QCC | 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 32CH G.164/G.165/G.168/G.711 W/ TONE DET - Trays |
| ZL50232GDC | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:32 Channel Voice Echo Canceller |
| ZL50232GDG2 | 制造商:Microsemi Corporation 功能描述: 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 32CH G.165/G.168/G.711 W/ TONE DETECTION - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC VOICE ECHO CANCELLER 208LBGA 制造商:Microsemi Corporation 功能描述:IC VOICE ECHO CANCELLER 208LBGA |
| ZL50232QCC | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:32 Channel Voice Echo Canceller |
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