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PM5352-BI

SATURN USER NETWORK INTERFACE (STAR)

PMC-Sierra 

DATA SHEET

PMC-1990421

ISSUE 2

PM5352 S/UNI STAR

SATURN USER NETWORK INTERFACE 155 (STAR)

1 FEATURES

1.1 General

• Single chip ATM User-Network Interface operating at 155.52 Mbit/s.

• Implements the ATM Forum User Network Interface Specification and

the ATM physical layer for Broadband ISDN according to CCITT

Recommendation I.432.

• Implements the Point-to-Point Protocol (PPP) over SONET/SDH

specification according to RFC 1619/1662 of the PPP Working Group

of the Internet Engineering Task Force (IETF).

• Processes duplex 155.52 Mbit/s STS-3c (STM-1) data streams with

on-chip clock and data recovery and clock synthesis.

• Exceeds Bellcore GR-253-CORE jitter tolerance and intrinsic jitter

criteria.

• Exceeds Bellcore GR-253-CORE jitter transfer and phase variation

criteria.

• Provides control circuitry required to exceed Bellcore GR-253-CORE

WAN clocking requirements related to wander transfer, holdover and

long term stability when using an external VCXO.

• Compatible with ATM Forum’s Utopia Level 2 Specification with Multi-

PHY addressing and parity support.

• Implements the POS-PHY 16-bit System Interface for Packet over

SONET/SDH (POS) applications. This system interface is similar to

Utopia Level 2, but adapted to packet transfer. Both byte-level and

packet-level transfer modes are supported.

• Provides a standard 5 signal IEEE 1149.1 JTAG test port for boundary

scan board test purposes.

• Provides a generic 8-bit microprocessor bus interface for configuration,

control, and status monitoring.

• Low power 3.3V CMOS with PECL and TTL compatible inputs and

CMOS/TTL outputs, with 5V tolerance inputs (system side interface is

3.3V only).

PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE 1

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