MT90222AG Zarlink Semiconductor, MT90222AG Datasheet
MT90222AG
Manufacturer Part Number
MT90222AG
Description
Description = 4 Port Ima & TC PHY For T1, E1 And DSL ;; Package Type = N/a ;; No. Of Pins =
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT90222AG.pdf
(155 pages)
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Features
IMA
•
•
•
•
•
TC and UNI
•
•
1. MT90222 supports up to 4 serial links with maximum 4 groups
to be used - groups 0,1,2,3.
MT90223 supports up to 8 serial links
MT90224 supports up to 16 serial links
Up to 16 T1, E1, J1, DSL links & up to 8 IMA
groups with 1 to 16 links/IMA group
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
Supports mixed-mode operation: links not
assigned to an IMA group can be used in TC
mode
ATM framing using cell delineation
Level 2
Utopia
BUS
Figure 1 - MT90222/3/4 Block Diagram (with Built-in IMA functions for up to 8 IMA Groups over
TX
RX
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
I/F CTRL
Utopia
Tx Utopia
Rx Utopia
Processor I/F
FIFo
FIFo
RX External Static RAM
Copyright 2003, Zarlink Semiconductor Inc. All Rights Reserved.
TC Circuits (1 per link)
CD Circuits (1 per link)
1
(1 per group)
Internal IMA
Processors
Convergence
Transmission
Delineator
Zarlink Semiconductor Inc.
Cell
4/8/16 links)
1
•
•
Standards Compliant
•
•
•
HEC (header error control) verification &
generation, error detection, filler cell filtering (IMA
mode) and idle/unassigned cell filtering (TC
mode)
TC layer statistics and error counts i.e. HEC
errors with MIB support
ATM Forum - IMA 1.1 (AF-PHY-0086.001) &
backwards compatible with IMA 1.0
ATM Forum - ATM over Fractional T1/E1 (AF-
PHY-0130.00)
ITU G.804 cell mapping & ITU I.432 cell
delineation
S/P
P/S
4/8/16 Port IMA/TC PHY Device
MT90222AG
MT90223AG
MT90224AG
TDM Ring
Control
TDM Ring
TDM
Ring
Control
TDM
Ring
Ordering Information
-40 C to +85 C
384 Pin PBGA
384 Pin PBGA
384 Pin PBGA
Serial TDM Ports
(1 per link, up to 10Mb/s
per link)
MT90222/3/4
T1/E1/DSL
T1/E1/DSL
T1/E1/DSL
Data Sheet
October 2003
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