PMC-Sierra,Inc.
PM7345
S/UNI-PDH
鈥?Supports DS3 FEAC code insertion/
detection and provides an integral
HDLC transceiver for path
maintenance datalink processing.
鈥?Supports G.832 Trail Trace and
provides an integral HDLC transceiver
that supports the Network
Requirement or General Purpose
datalinks.
鈥?Provides detection of DS3/E3 Loss Of
Frame (LOF) and yellow alarm.
鈥?Accumulates BIP-8, framing and FEBE
events.
鈥?Provides ATM cell scrambling/
descrambling, HCS error detection and
correction, HCS insertion, idle/
unassigned ATM cell filtering and
insertion, and accumulates counts of
transmitted and received cells.
鈥?Provides DS3/E3 diagnostic loopback,
line loopback, payload loopback and
ATM cell loopback.
鈥?Provides support for an arbitrary rate
external transmission line interface up
to a maximum rate of 52 Mbit/s.
鈥?Uses PMC-Sierra PM4341A T1XC T1,
PM6341 E1XC E1, or PM4351
COMET framer/line interface devices
for DS1, E1, and J1 ATM UNI
applications.
鈥?Software-compatible with the
PM4341A T1XC, PM6341 E1XC,
PM4351 COMET, PM5346 S/UNI
廬
-
LITE, and PM7344 S/UNI-MPH.
鈥?Application-compatible with the
PM8313 D3MX, PM4314 QDSX, and
PM7323 RCMP-200.
鈥?Provides an 8-bit microprocessor
interface for configuration, control, and
status monitoring.
鈥?Low power CMOS technology.
鈥?Available in a high density 100-pin
PQFP package (14 by 14 mm).
SATURN User Network Interface for PDH Applications
FEATURES
鈥?Monolithic single-chip ATM User-
Network Interface (UNI) for DS3, E3,
DS1, and E1 Plesiochronous Digital
Hierarchy (PDH) applications.
鈥?Provides on-chip DS3 (M23 or C-bit
parity) and E3 (G.751 and G.832)
framers.
鈥?Implements the ATM direct cell
mapping into DS1, DS3, E1, and E3
transmission systems according to
ITU-T Recommendation G.804.
鈥?Implements the ATM physical layer for
Broadband ISDN according to ITU-T
Recommendation I.432.
鈥?Implements the Physical Layer
Convergence Protocol (PLCP) for DS1
and DS3 transmission systems
according to the ATM Forum User
Network Interface Specification and
ANSI TA-TSY-000773, TA-TSY-
000772 and E1 and E3 transmission
systems according to ETSI 300-269
and ETSI-270.
鈥?Provides UTOPIA L1-compliant ATM-
PHY interface.
APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
ATM Switches
ATM Routers
ATM Network Interfaces
DSLAMs
ATM / SMDS Test Equipment
BLOCK DIAGRA
TPOH
TPOHINS
TPOHCLK
TPOHFP
C13/CADD/8KREF
TICLK
TIOHM
TOHCLK
TDLCLK
TOHINS
TOH[
TDLSIG
TOHFP
XBOC
Transmit
FEAC
XFDL
Transmit
HDLC
Transmit
O/H
Access
1/2 TTB
Transmit
Trail-
Buffer
TCELL
FWDATA[7:0]
TFCLK
TWRENB
TCLK
TPOS/TDAT
TNEG/TOHM
Line
Encode
TRAN
DS3 or E3
Transmit Framer
SPLT
Transmit
ATM and PLCP
Framer
TXCP
Transmit
Cell
Processor
TXFF
Transmit
4-Cell
FIFO
System
Interface
TSOC
TCA
TXPRTY
RSOC
REOH
REOC
RCA
RXPRTY
RRDENB
RFCLK
RCLK
RPOS/RDAT
RNEG/ROHM
Line
Encode
FRMR
DS3 or E3
Receive Framer
ATMF/SPLR
Receive
ATM and PLCP
Framer
RXCP
Receive
Cell
Processor
RXFF
Receive
4-Cell
FIFO
RBOC
Receive
FEAC
RFDL
Receive
HDLC
PMON
Perfor-
mance
Monitor
Receive
O/H
Access
1/2 TTB
Receive
Trail
Buffer
CPPM
PLCP/cell
Performance
Monitor
MPIF
Microprocessor
Interface
FRDATA[7:0]
TSEN
D[7:0]
RPOH
RCELL
A[7:0]
ROH
RPOHFP
RSTB
ROHFP
ROHCLK
RPOHCLK
WRB
PMC-931209 (R6)
RDLCLK
RDLSIG
漏 1998 PMC-Sierra, Inc. September, 1998
INTB
CSB
ALE
RDB
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