PMC-Sierra,Inc.

PM5355

S/UNI-622

622 Mbit/s SATURN User Network Interface

FEATURES

Monolithic SATURN® -compatible SONET/SDH ATM User Network Interface (UNI) for LAN, Public UNI, and Public NNI connections.

Implements the ATM Transmission Convergence (TC) sublayer according to ATM Forum specifications using the SONET/SDH 622.08 Mbit/s and 155.52 Mbit/s formats.

Also supports the SONET 51.84 Mbit/s format.

Processes all SONET/SDH UNI overhead.

Inserts and extracts ATM payloads using ATM cell delineation.

Provides a SCI-PHY™ -compliant 50 MHz synchronous 16-bit (4-cell deep) FIFO buffers in both transmit and receive paths.

Compatible with ATM Forum UTOPIA interface format, with support for multi- PHY applications.

Provides access to section and line datalinks and all additional overhead to allow external processing for full SONET/SDH Network-Node Interface (NNI) compliance.

Provides a generic 8-bit microprocessor bus interface for configuration, control, and status monitoring.

Provides a standard 5-signal P1149.1 JTAG test port for boundary scan board test purposes.

Provides TTL-compatible inputs and outputs.

Low power, +5 V CMOS technology.

Packaged in a 208-pin, 28 mm by

28 mm slugged Plastic Quad Flat Pack (PQFP) with 0.5 mm pin pitch.

APPLICATIONS

Workstations and Personal Computer

LAN Switches and Hubs

Routers

Video Servers

Backbones

Broadband Switching Systems

Test Equipment

BLOCK DIAGRAM

 

 

 

TLAIS TSDCLK, TOWCLK TSD, TSOW, TSUC

TLRDI

TLDCLK TLD, TLOW TTOH[4:1]

TTOHFP

TTOHCLK TTOHEN TCLK

TFP

TOCLKG

TPOH TPOHFP TPOHCLK TPOHEN

TPAIS TPRDI

 

 

POP[5:0]

PIP[3:0]

 

TCP

TGFC XOFF

TDO TDI

TCK TMS TRSTB

 

 

 

 

 

 

Transport

 

 

Path

 

 

 

Parallel

 

 

 

JTAG Test

 

 

 

 

 

 

 

O/H

 

 

O/H

 

 

 

 

 

 

 

 

 

 

 

 

Insert

 

 

Insert

 

 

Input/Output

 

 

 

Access Port

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Port

 

 

 

 

 

 

TSICLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TSOC

TSOUT

 

 

Transmit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TDAT[15:0]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TXPRTY[1:0]

FPOUT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Section

 

 

 

 

 

 

Transmit Path

 

 

 

 

 

 

 

 

 

 

 

Transmit

 

 

 

 

 

 

 

 

 

 

 

 

 

TCA

POUT[7:0]

 

 

O/H

 

Byte-

 

 

 

Transmit

 

 

Transmit

 

 

 

 

 

O/H Processor

 

 

 

 

 

 

Processor

Line O/H

 

Interleaved

 

 

 

ATM Cell

 

ATM 4-Cell

 

TWRENB

 

 

 

 

 

 

 

 

 

 

OOF

 

Section

Processor

 

Mux

 

 

Transmit ConCat

 

Path

Processor

 

 

FIFO

 

TFCLK

Line Side

 

 

 

Processor

 

 

 

Drop

PICLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Interface

 

Trace

 

 

 

 

 

 

 

 

 

Trace

Receive

 

 

Receive

Side

RSOC

FPIN

 

 

Buffer

 

 

 

 

 

 

Receive ConCat

 

Buffer

 

 

Interface

 

 

 

Receive

 

Byte-

 

 

 

 

RDAT[15:0]

FPOS

 

 

Receive

 

 

 

Processor

 

 

ATM Cell

 

ATM 4-Cell

 

 

 

 

Line O/H

 

Interleaved

 

Receive Path

 

 

Processor

 

 

FIFO

 

RXPRTY[1:0]

 

 

 

Section

 

 

 

 

 

 

 

 

PIN[7:0]

 

 

Processor

 

Demux

 

O/H Processor

 

 

 

 

 

 

 

 

 

RCA

 

 

O/H

 

 

 

 

 

 

 

 

 

 

 

RSICLK

 

Processor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RRDENB

RSIN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RFCLK

 

 

 

 

 

Transport

 

 

Path O/H

 

 

 

 

Microprocessor

 

 

 

 

 

 

 

 

 

 

O/H

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Extract

 

 

 

 

Interface

 

 

 

 

 

 

 

 

 

 

Extract

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOS

LOF RSDCLK, ROWCLK RSD, RSOW, RSUC

LAIS

LRDI RLDCLK RLD, RLOW

RTOH[4:1]

RTOHFP RTOHCLK

OHFP GROCLK

RPOH RPOHFP RPOHCLK

LOP PAIS

PRDI

LCD

D[7:0]

A[7:0] ALE CSB

WRB

RDB

RSTB INTB

RCP RGFC

TSEN

 

PMC-940402 (R5)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

©1998 PMC-Sierra, Inc. October, 1998

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PMC-Sierra PM5355 specifications Features, Applications, Block Diagram

PM5355 specifications

The PMC-Sierra PM5355 is a highly integrated packet processing device designed to enhance data center and telecommunications applications. Developed by PMC-Sierra, a leader in broadband and storage semiconductor solutions, the PM5355 stands out in its class due to its advanced features and technologies that cater to the demands of modern networking environments.

At the core of the PM5355 is its ability to support high-performance packet processing, which is critical in managing the increasingly complex data traffic across networks. The device boasts a robust architecture that allows for efficient handling of multiple protocols, making it an ideal choice for a wide range of applications, including fiber-to-the-home (FTTH), Ethernet backhaul, and enterprise networking.

One of the key features of the PM5355 is its integration of multiple communication interfaces. It supports both Synchronous Ethernet (SyncE) and Precision Time Protocol (PTP), which are essential for ensuring precise time synchronization across distributed network elements. This capability is crucial in maintaining the integrity of data transmission and provides operators with the tools necessary to manage their networks effectively.

Additionally, the PM5355 incorporates advanced QoS (Quality of Service) mechanisms that allow it to prioritize traffic streams based on predefined criteria. This is vital in scenarios where certain data packets, such as those carrying voice or video traffic, require superior handling to maintain performance levels. The device can dynamically allocate bandwidth and manage traffic congestion, ensuring a seamless user experience.

Power efficiency is another hallmark of the PM5355, as it utilizes innovative power management techniques that reduce energy consumption without compromising performance. This aspect is increasingly important in today’s environmentally conscious market, where energy costs are scrutinized and sustainability is a priority for many organizations.

Furthermore, the PM5355 is designed to be easily scalable, allowing manufacturers and service providers to adapt their infrastructure as demand grows. Its flexible architecture can accommodate future upgrades, ensuring longevity and investment protection for businesses.

In conclusion, the PMC-Sierra PM5355 is a powerful and versatile packet processor that delivers high performance, advanced features, and significant cost savings in energy consumption. Its support for multiple protocols, superior QoS capabilities, power efficiency, and scalability makes it an essential component for modern data networks looking to meet the increasing bandwidth demands of today and tomorrow.