PMC Sierra Network Card PM5350 User Manual

PM5350  
PMC-Sierra,Inc.  
S/UNI-155-ULTRA  
155 Mb/s SATURN User Network Interface  
Compatible with ATM Forum UTOPIA  
interface format.  
Provides a generic 8-bit  
Operates in timing master or timing  
slave (loop timed) modes.  
FEATURES  
• Low-cost, monolithic SATURN  
SONET/SDH ATM User Network  
Interface (UNI) for category-5 (UTP-5),  
Shielded Twisted Pair (STP) and  
optical applications.  
Implements the ATM Transmission  
Convergence (TC) sublayer according  
to ATM Forum specifications using the  
SONET/SDH 155.52 Mb/s STS- 3c/  
STM-1 and 51.84 Mb/s STS-1 formats.  
Provides on-chip UTP/STP drivers,  
receivers, and line equalizers to allow  
direct connection to 155 Mb/s UTP-5  
or STP twisted pair wiring facilities  
using line coupling transformers.  
Provides a selectable UTP/STP or  
Pseudo-ECL (PECL) interface to allow  
direct connection to Optical Data Links  
(ODLs).  
®
Frames to SONET/SDH framing bytes  
(A1, A2), processes the section and  
line Bit Interleaved Parity (B1, B2) and  
the Far-End Block Error (Z2) bytes.  
Interprets the H1, H2, and H3 payload  
pointer bytes.  
Processes the SONET path overhead  
BIP-8 (B3), signal label (C2) and path  
status (G1) bytes.  
Inserts and extracts ATM payloads  
using ATM cell delineation.  
Provides on-chip FIFO buffers in both  
transmit and receive paths.  
Provides on-chip support for GFC and  
XOFF flow control.  
Provides a synchronous 8-bit plus  
parity SATURN-Compliant Interface for  
PHYsical layer devices (SCI-PHY)  
bus operating at 50 MHz.  
microprocessor bus interface for  
configuration, control, and monitoring.  
Provides TTL-compatible inputs and  
outputs and differential PECL inputs.  
Low power, +5 V CMOS technology.  
Packaged in a 128-pin, 14 mm by  
20 mm Plastic Quad Flat Pack (PQFP)  
with 0.5 mm lead pitch.  
APPLICATIONS  
155.52 or 51.84 Mb/s twisted pair or  
optical ATM LANs  
Workstations and Personal Computer  
NIC Cards  
Switches, Hubs, and Router Port  
Cards  
SONET- or SDH-Compliant ATM UNIs  
Includes clock recovery and clock  
synthesis with on-chip loop filters.  
BLOCK DIAGRAM  
TSOC  
Clock  
Generator  
TXPRTY  
Transmit  
Transmit  
ATM  
4-Cell FIFO  
Transmit  
ATM Cell  
Processor  
TDAT[7:0]  
TCA  
Parallel  
to  
Serial  
TXD+  
Framer and  
Overhead  
Processor  
Twisted  
Pair Tx  
TXD-  
TWRENB  
TFCLK  
Analog Edge  
RSOC  
RXPRTY  
RDAT[7:0]  
RCA  
Receive  
Framer and  
Overhead  
Processor  
Receive  
ATM Cell  
Processor  
Serial  
to  
Parallel  
Receive  
ATM  
4-Cell FIFO  
RXD+  
RXD-  
Twisted  
Pair Rx  
Clock/Data  
Recovery  
RRDENB  
RFCLK  
TSEN  
SD  
LED  
Control  
Microprocessor  
Interface  
PMC-960709 (R4)  
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE  
1998 PMC-Sierra, Inc.  
 

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