mt90503 Zarlink Semiconductor, mt90503 Datasheet

mt90503

Manufacturer Part Number

mt90503

Description

2048vc Aal1 Sar

Manufacturer

Zarlink Semiconductor

Datasheet

1.MT90503.pdf (233 pages)

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Bonase Electronics (HK) Co., Limited

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mt90503AG

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Features

•

AAL1 Segmentation and Reassembly device

capable of simultaneously processing up to 2048

bidirectional VCs

AAL1 cell format for "Structured DS1/E1 N x

64kbps Service" as per ATM Forum AF-VTOA-

0078.000 "Circuit Emulation Services

Interoperability Specifications" (Nx64 Basic

Service, DS1 Nx64 Service with CAS, and E1

Nx64 Service with CAS)

Two UTOPIA ports (Level 2, 16-bit, 50 MHz) with

loopback function for dual fibre ring applications

Third UTOPIA port for connection to an external

AAL5 SAR processor, or for chaining multiple

MT90503 or other SAR or IMA devices

Flexible aggregation capabilities (Nx64) to allow

any combination of 64 Kbps

TDM bus provides 32 bidirectional serial TDM

streams at 2.048, 4.096, or 8.192 Mbps for up to

4096 TDM 64 Kbps channels

Compatible with H.100 and H.110 interfaces

TDM Bus

64kbps

4096 x

H.100/

H.110

Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.

Clock Signals

Submodule

Recovery

Module

Clock

TDM

Figure 1 - Functionl Block Diagram

(external SSRAM)

Control Memory

Zarlink Semiconductor Inc.

TX_SAR

Module

Controller

(external SSRAM)

Data Memory

Controller

•

RX_SAR

Module

TDM to ATM transmission latency less than 250

Support for clock recovery - Adaptive Clock

Recovery, Synchronous Residual Time Stamp

(SRTS) or external

Support master and slave TDM bus clock

operation

8- or 16-bit microprocessor port, configurable to

Motorola or Intel timing

Master clock rate up to 80 MHz

Single power supply device (3.3V)

IEEE 1149 (JTAG) interface

Registers

For temperature range, see page 207.

MT90503AG

Address bus and 8- or

CPU Module

16-bit Data bus

Scan Logic

Ordering Information

Boundary

Interface

JTAG

UTOPIA

Module

Port

503 Pin PBGA

2048VC AAL1 SAR

RXA Port

TXA Port

RXB Port

TXB Port

RXC Port

TXC Port

Data Sheet

MT90503

December 2004

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