PM8380 데이터 시트보기 (PDF) - PMC-Sierra
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PM8380 Datasheet PDF : 2 Pages
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PM8380
QuadSMX 3G
Preview
4-Channel Multiplexer and Link Extender for SAS, SATA, Ethernet and FC
FEATURES
GENERAL - SATA AND SAS
• Four bi-directional 2:1 SATA or
SAS multiplexer/demultiplexer.
• Compliant with SAS Internal and
External specification.
• SATA Gen1i, Gen1x, Gen2i,
Gen2x compliant.
• In the downstream direction, the
QuadSMX 3G demuxes the
initiator-side receive ports to either
the A or B device-side transmit
ports.
• In the upstream direction, the
QuadSMX 3G selects either the A
or B device-side receive port to
output on the initiator-side transmit
ports.
• Passes-thru out-of-band (OOB)
signaling.
• Internal OOB detectors for
COMSAS, COMRESET/COMINIT
and COMWAKE.
• Provides port reordering to support
standard SATA/SAS 4 channel
connectors and easier PCB
routing.
GENERAL - ETHERNET AND
FIBRE CHANNEL
• Four channel bi-directional Gigabit
Ethernet and 10 Gigabit Ethernet
(XAUI) link extender and 2:1 serial
multiplexer/demultiplexer.
• Four channel bi-directional 1G,2G
and 10G Fibre Channel link
extender and 2:1 serial
multiplexer/demultiplexer
• Provides transmit redundancy for
Ethernet and Fibre Channel Switch
Applications. In this case,data is
broadcast to both Port A and
Port B.
HIGH-SPEED I/O
• 1.0 Gbit/s to 3.2 Gbit/s operation.
• Automatic amplitude control for
SATA and SAS applications.
• Programmable receive
equalization, transmit pre-
emphasis and transmit output
swing.
• Integrated resistive termination
and receive AC coupling.
• Analog interfaces support SATA
and SAS hot plug.
BLOCK DIAGRAM
RXA+/-[3:0]
RXAEQUAL[1:0]
RXBEQUAL[1:0]
RXB+/-[3:0]
SEL[3:0]
TXA+/-[3:0]
TXB+/-[3:0]
TXAPREM[1:0]
TXBPREM[1:0]
SCL
SDA
TWADR[2:1]
Serial
Rx
OOB
Detect
Serial
Rx
OOB
Detect
Serial
Tx
Serial
Tx
Tx Amplitude
Control
2 to 1
Mux
Serial
Tx
2 to 1
Mux
OOB
Control
OOB
Control
Status and
Control
Serial
Rx
OOB
Detect
4 instances
Two Wire
Interface
TX+/-[3:0]
SASLVL
RXSWIZB
RBIAS
RX+/-[3:0]
SYSCLK
RSTB
PMC-2030351
Issue 3
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC.,
AND FOR ITS CUSTOMERS’ INTERNAL USE
© Copyright PMC-Sierra, Inc. 2004.
All rights reserved.
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