mt90528ag2 Zarlink Semiconductor, mt90528ag2 Datasheet
mt90528ag2
Manufacturer Part Number
mt90528ag2
Description
28-port Primary Rate Circuit Emulation Aal1 Sar
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT90528AG2.pdf
(195 pages)
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Features
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UTOPIA
Interface
AAL1 Segmentation and Reassembly device
compliant with Circuit Emulation Services (CES)
standard (af-vtoa-0078.000)
Supports both Unstructured and Structured
Circuit Emulation of 28 independent DS1/E1/ST-
BUS interfaces
Supports AAL1 trunking, with up to 128 TDM
channels per VC (af-vtoa-0089.001)
Supports CAS transmission and reception in all
structured modes of operation
Supports simultaneous processing of up to 896
bidirectional Virtual Circuits
Supports mixed DS1/E1 operation
Supports mixed Unstructured and Structured
CES operation
Fully flexible DS0 assignment
Complete clock recovery solution provided on-
chip: Synchronous, Adaptive, or Synchronous
Residual Time Stamp (SRTS) via 28 independent
PLLs
MT90528
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
OUTPUT
UTOPIA
UTOPIA
BLOCK
BLOCK
INPUT
Copyright 2002-2006, Zarlink Semiconductor Inc. All Rights Reserved.
Scan Logic
Boundary-
Interface
JTAG
(UDT, SDT,
RX SARs
Figure 1 - MT90528 Block Diagram
SAR
TX
Data)
VC Look-Up
Table
Zarlink Semiconductor Inc.
External Memory Controller
1
Segmentation / Reassembly
Memory
Memory
Local
Local
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Circular Buffers
16-bit Microprocessor
Dual-mode (ATM-end or PHY-end) UTOPIA port
operates in Level 1 or Level 2 mode for
connection to external PHY or ATM devices with
UTOPIA clock rate up to 52 MHz
TDM bus provides 28 bidirectional serial streams
at 1.544, 2.048, or 4.096 MHz - compatible with
Generic (1.544 Mbps or 2.048 Mbps) and ST-
BUS (2.048 Mbps) interfaces
Supports master and slave TDM backplane bus
clock operation
Supports TDM and UTOPIA loopback functions
16-bit microprocessor port, configurable to
Motorola or Intel timing
Master clock rate of 66.0 MHz
MT90528AG
MT90528AG2
Microprocessor
Interface Logic
Rx/Reassembly (X 28)
Tx/Segmentation (X 28)
Interface
Circuit Emulation AAL1 SAR
PLL
**Pb Free Tin/Silver/Copper
Ordering Information
Management
OUTPUT
BLOCK
Clock
BLOCK
INPUT
-40 to +85° C
TDM
External
Synchronous
SRAM (ZBT)
TDM
28-Port Primary Rate
456 PBGA
456 PBGA**
MT90528
Data Sheet
Clock Control
/Recovery
Interface
TDM Input
Interface
TDM Output
Interface
Trays
Trays
August 2006
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