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

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

RX External Static RAM

TC Circuits (1 per link)

CD Circuits (1 per link)

(1 per group)

Internal IMA

Processors

Convergence

Transmission

Delineator

Zarlink Semiconductor Inc.

Cell

4/8/16 links)

•

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

Serial TDM Ports

(1 per link, up to 10Mb/s

per link)

MT90222/3/4

T1/E1/DSL

Data Sheet

October 2003

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