PM8385
Released
QuadPHY RT
PMC-2030741 PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., © Copyright PMC-Sierra, Inc. 2003.
Issue 2 AND FOR ITS CUSTOMERS’ INTERNAL USE All rights reserved.
4-Port Gigabit Ethernet and 1/2G Fibre Channel Repeater or Retimer
GENERAL
• Supports four physical interfaces for
Gigabit Ethernet at 1.25 Gbit/s per
IEEE 802.3z or Fibre Channel physical
interfaces at 1.0625 or 2.125 Gbit/s per
Fibre Channel Physical Interface (FC-
PI) for repeating or retiming
applications.
• Backplane repeating/retiming signal
integrity features enable standards
compliance, link extension and robust
gigabit-serial operation in the hostile
backplane environment.
• Provides direct connection to high-
speed serial backplanes, coax
stacking cables, or optical / copper
Small Form Factor Pluggable (SFP)
modules.
• Provides non-blocking cross-bar for
protection switching and data bi-cast,
multi-cast or broadcast.
• Fast high-speed serial lock times and
low device latency.
• Rate detection/auto-selection between
1G and 2G Fibre Channel.
• Extensive per port backplane
monitoring for loss of signal, error rates,
and link level violations.
• Supports single-ended or differential
125 MHz reference clock for Gigabit
Ethernet, or 106.25 MHz reference
clock for Fibre Channel applications.
HIGH-SPEED INTERFACE
• High-speed outputs with selectable
output amplitude and programmable
pre-emphasis per port to counteract
dielectric losses and allow maximum
reach on printed circuit boards and
cables.
• Programmable receive input
equalization provides robust data
recovery of highly degraded input
signals.
• Minimal board footprint and exceptional
signal integrity achieved:
• No external components are required
to interface the high-speed signals
due to internal AC coupling.
• Programmable receive input
termination of 100 ohm or 150 ohm
differential.
• Programmable output impedance of
100 ohm or 150 ohm differential.
TEST AND CONTROL
• Digital loss of link (DLOL) detect pin
provides status output for monitoring
individual or multiple links.
• DLOL and optional interrupt pin can be
programmed to indicate:
• Analog loss of signal.
• Excessive 8B/10B code and disparity
violations.
• Fibre Channel comma density.
• Loss of synchronization to detect
Gigabit Ethernet or Fibre Channel
framing errors.
• Internal packet generator and
comparator features simplify backplane
and jitter testing via:
• Programmable pattern (can be used
with GE high, low and mixed
frequency tests).
Cross-bar
Pattern
Generator/
Comparator
CDRU
SERDES/
Reclocker
Rx
Retimer/
Monitor
Tx
Control
10
10
SERDES/
Reclocker
Rx
Retimer/
Monitor
Tx
Control
10
10
SERDES/
Reclocker
Rx
Retimer/
Monitor
Tx
Control
10
10
SERDES/
Reclocker
Rx
Retimer/
Monitor
Tx
Control
10
10
RDIP[0]
RDIN[0]
2
2
TDOP[0]
TDON[0]
RDIP[1]
RDIN[1]
2
2
TDOP[1]
TDON1]
RDIP[2]
RDIN[2]
2
2
TDOP[2]
TDON[2]
RDIP[3]
RDIN[3]
2
2
TDOP[3]
TDON[3]
Impedance
Control
Two Wire
Interface
Control Block
PREEMPH[1:0]
R
E
C
E
Q
U
A
L
I
Z
E
[
1
:
0
]
DLOLBYP_MASK
RET_MODE
FC_GE_RET_SEL
HALF_RATE
AUTO_RATE_SEL
TX100/
150[3:0]
RX100/
150[3:0]
TWISEL
MDIO_SDA
MDC_SCL
DVPRTAD[4:0]
RESETB
REFCLK_S
CLK_SEL
REFCLK_N
REFCLK_P
RPRES
EXTCAP
JTAG
TDO
TDI
TMS
TCK
TRSTB
DLOLB
PORT_DLOLB[3:0]
INTRB
PORT_2G_RATE[3:0]
B
LOCK DIAGRAM
Head Office:
PMC-Sierra, Inc.
8555 Baxter Place
Burnaby, B.C. V5A 4V7
Canada
Tel: 1.604.415.6000
Fax: 1.604.415.6200
4-Port Gigabit Ethernet and 1/2G Fibre Channel Repeater or Retimer
To order documentation,
send email to:
documen[email protected]m
or contact the head office,
Attn: Document Coordinator
PMC-2030741 (R2)
For a complete list of PMC-Sierra’s
trademarks, see our web site at
http://www.pmc-sierra.com/legal/
.
Other product and company names
mentioned herein may be the trademarks of
their respective owners.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PM8385 QuadPHY RT
All product documentation is available
on our web site at:
http://www.pmc-sierra.com
For corporate information,
send email to:
info@pmc-sierra.com
Q
uadPHY RT as Dual Bi-directional Gigabit Ethernet Retimer
EXAMPLE APPLICATIONS
PM8352
OctalPHY
1G
MAC/Port
Controller ASIC
PM8352
OctalPHY
1G
Switch ASIC w/
Integrated
SERDES
B
a
c
k
p
l
a
n
e
Connector
Copper SFP
Copper SFP
Copper SFP
Optical SFP
Optical SFP
SFP Socket
SFP Socket
SFP Socket
Connector
Flexible Gigabit Ethernet Line Card
Serial Links Exceed
Jitter Specifications
Serial Backplane Links
up to 48" + 2 connections
GMII/TBI Interface
PM8373
HexPHY
1GR
MAC/Port
Controller ASIC
PM8373
HexPHY
1G
Connector
Optical SFP
Copper SFP
Copper SFP
Optical SFP
Copper SFP
SFP Socket
Flexible Gigabit Ethernet Line Card
Serial Links Exceed
Jitter Specifications
Serial Backplane Links
up to 48" + 2 connections
5 bit RGMII/TBI Interface
Switch Fabric
Connector
PM8385
QuadPHY RT
PM8385
QuadPHY RT
• Compliant RPAT test.
• Low Transition Density Pattern.
• Compliant Jitter Tolerance.
• Low Frequency Patter.
• Supply Noise Pattern.
• Internal serial loopback modes for
testing and debugging.
• Multple device control options for
configuration and diagnostic access:
• External control pins with register
override.
• 2-pin serial Two-Wire Interface.
• 2-pin serial MDC/MDIO.
• Provides a standard 5-signal IEEE
1149.1 JTAG test port for boundary
scan board testing purposes.
PHYSICAL
• 0.18 um CMOS, 1.8V and 3.3V supply.
• Small 15mm x 15mm footprint 196-pin
BGA with 1mm ball pitch.
• Ultra-low operating power of 1.1W
typical with all 4 channels active at
1.25 Gbit/s .
• Extended temperature range of -40°C
to +85°C for challenging system
environments.
APPLICATIONS
• High-speed backplane driver operating
from 1.0625 Gbit/s to 2.125 Gbit/s
including 1.25 Gbit/s for Gigabit
Ethernet.
• Distributed switch fabrics or protection
switches via data bi-cast, multi-cast or
broadcast to fabric elements.
• Enterprise Ethernet or Fibre Channel
switches.
• Gigabit Ethernet Retimer including
1000BASE-CX driver.
• Fibre Channel retimer.
• Wireless base-station interconnect.
• Performance computing and blade
server systems.
• Aerospace, scientific, and medical
imaging systems.
• Digital broadcast video.
• Inter-medium connections.
PM8385
QuadPHY RT
Retransmitted 2 G Serial Backplane After Retimer2 G Serial Backplane After 60" Before Retimer
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