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ZL30226 Datasheet

  • ZL30226

  • 4-port IMA/TC

  • 144頁

  • ETC

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ZL30226/227/228
4/8/16 Port IMA/TC PHY Device for xDSL
Data Sheet
Features
IMA
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Up to 16 xDSL links & up to 8 IMA groups with 1
to 16 links/IMA gro
up
1
Supports symmetrical & asymmetrical operation
CTC (common transmit) & ITC (independent
transmit) clocking modes
Pre-processing of RX ICP (IMA control protocol)
cells
IMA layer & per link statistics and alarms for
performance monitoring with MIB support
DS5728
Issue 2
November 2002
Ordering Information
ZL30226/GA 384 Pin PBGA
ZL30227/GA 384 Pin PBGA
ZL30228/GA 384 Pin PBGA
-40 to 85擄C
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(IMA) and idle/unassigned cell filtering (TC)
TC layer statistics and error counts i.e. HEC
errors with MIB support
Standards Compliant
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ATM Forum - IMA 1.1 (AF-PHY-0086.001) &
backwards compatible with IMA 1.0
ITU G.804 cell mapping & ITU I.432 cell
delineation
TC and UNI
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Supports mixed-mode operation: links not
assigned to an IMA group can be used in TC
mode
ATM framing using cell delineation
HEC (header error control) verification &
generation, error detection, filler cell filtering
General
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Supports TDM serial links up to 10 Mb/s for xDSL
Single chip ATM IMA & TC processor
Versatile TDM interface for most popular xDSL
chipsets
1. ZL30226 supports up to 4 serial links
ZL30227 supports up to 8 serial links
ZL30228 supports up to 16 serial links
RX External Static RAM
TDM Ring
RX
Utopia
Level 2
BUS
TX
Rx Utopia
FIFo
Internal IMA
Processors
(1 per group)
TDM
Ring
Control
S/P
xDSL
Utopia
I/F CTRL
Cell
Delineator
CD Circuits (1 per link)
xDSL
P/S
Tx Utopia
FIFo
Transmission
Convergence
TDM
Ring
Control
xDSL
Serial TDM Ports
(1 per link, up to 10Mb/s
per link)
TC Circuits (1 per link)
Processor I/F
TDM Ring
Figure 1 -
ZL30226/7/8 Block Diagram with Built-in IMA functions
for up to 8 IMA Groups over 4/8/16 links
1

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