參數資料
型號： ZL50233GD
廠商： Zarlink Semiconductor Inc.
英文描述： 4 Channel Voice Echo Cancellor
中文描述： 4通道語音回聲消除器
文件頁數： 1/37頁
文件大?。?/td> 625K
代理商： ZL50233GD
1
Features
Independent multiple channels of echo
cancellation; from 4 channels of 64ms to 2
channels of 128ms with the ability to mix
channels at 128ms or 64ms 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 AT&T voice quality testing for carrier
grade echo cancellers.
Compatible to ST-BUS and GCI interfaces with
2Mb/s serial PCM data
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
0 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 I/O pads and 1.8V Logic core operation with
5-Volt tolerant inputs
IEEE-1149.1 (JTAG) Test Access Port
ZL50232, ZL50233, ZL50234 and ZL50235 have
same pinouts in both LQFP and LBGA packages
Applications
Voice over IP network gateways
Voice over ATM, Frame Relay
March 2003
Ordering Information
ZL50233/QCC 100-Pin LQFP
ZL50233/GDC 208-Ball LBGA
-40
°
C to +85
°
C
ZL50233
4 Channel Voice Echo Cancellor
Data Sheet
Figure 1 - ZL50233 Device Overview
RESET
Rout
Sout
DS CS R/W A10-A0 DTA
D7-D0
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
Sto
PLL
Note:
Refer to Figure 4
for Echo Canceller
block diagram
V
DD2 (1.8V)
Echo Canceller Pool
Group 0
ECA/ECB
Group 1
ECA/ECB
相關PDF資料
PDF描述
ZL50233GDC 4 Channel Voice Echo Cancellor
ZL50233QC 4 Channel Voice Echo Cancellor
ZL50233QCC 4 Channel Voice Echo Cancellor
ZL50233 4 Channel Voice Echo Cancellor
ZL50234 SHOCKSAFE FUSEHOLDER W/ COVER
相關代理商/技術參數
參數描述
ZL50233GDC 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4 Channel Voice Echo Cancellor
ZL50233GDG 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 4-CH 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 CANCEL 4CH 208LBGA 制造商:Microsemi Corporation 功能描述:IC VOICE ECHO CANCEL 4CH 208LBGA
ZL50233QC 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4 Channel Voice Echo Cancellor
ZL50233QCC 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4 Channel Voice Echo Cancellor
ZL50233QCG1 制造商:Microsemi Corporation 功能描述:ECHO CANCELLER CHIP 4-CH 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 CANCEL 4CH 100LQFP 制造商:Microsemi Corporation 功能描述:IC VOICE ECHO CANCEL 4CH 100LQFP
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