參數(shù)資料
型號(hào)： MC92500ZQ
廠商： MOTOROLA INC
元件分類： 數(shù)字傳輸電路
英文描述： ATM Cell Processor
中文描述： ATM NETWORK INTERFACE, PBGA256
封裝： PLASTIC, BGA-256
文件頁(yè)數(shù)： 1/42頁(yè)
文件大?。?/td> 261K
代理商： MC92500ZQ
MOTOROLA, INC. 1997
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Order this document by MC92500/D
REV 1.1
ΤΜ
ATM Cell Processor
The ATM Cell Processor (MC92500) is a peripheral device composed of dedicated
high performance Ingress and Egress Cell Processors combined with UTOPIA
Compliant PHY and Switch Interface ports (see
Figure 1
).
MC92500 Features
Full duplex operation at SONET STS-3c, SONET STS-1, DS3 PLCP, or any physical link
running up to 155 Mbit/sec
Implements ATM Layer functions for broadband ISDN according to ITU recommendations
and ATM forum UNI specification
Performs internal VPI and VCI address compression (with an option for external
compression) for up to 64K VCs
Supports up to 16 physical links using dedicated Ingress/Egress MultiPhy control signals
Each physical link can be configured as either a UNI or NNI port
Supports multicast, multiport address translation
Maintains both virtual connection and physical link counters on both Ingress and Egress
cell flows for detailed billing and diagnostics
Provides a flexible 32 bit external memory port for context management
Automated AIS, RDI, CC and Loopback functions with Performance Monitoring Block Test
on up to 64 Bidirectional connections
Programmable 32 bit microprocessor interface supporting either big- or little-endian bus
formats
Per-connection leaky-bucket based UPC or NPC design with up to four buckets per
connection allows any combination of CLP-aware peak, average, and burst-length
policing with programmable tag/drop action per policer
Implements separate rate controlled cell insertion and priority based cell extraction
queues accessible from all cell flows
Supports a programmable number of additional switch overhead parameters allowing
adaptation to any switch routing header format
Figure 1. Representative Block Diagram
Utopia
I/F
Utopia
I/F
Host
System
Utopia
I/F
Memory
I/F
Utopia
I/F
Test
Port
Internal SCAN
(ISCAN)
Egress Cell Processor
(EPU)
Microprocessor I/F
(MPIF)
FMC Generation
(FMC)
Ingress Cell Processor
(IPU)
Ingress Switch I/F
(ISWI)
JTAG
Boundary
Scan
Ingress PHY I/F (IPHI)
MultiPhy Support
Egress PHY I/F (EPHI)
MultiPhy Support
Egress Switch I/F
(ESWI)
External Memory I/F
(EMIF)
MC92500
ATM Cell Processor
Ordering Information
Device
MC92500ZQ
Package
256 GTBGA
This document contains information on a new product. Specifications and information herein are subject to change
without notice.
ZQ SUFFIX
GTBGA
CASE 5203
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