PM7350 データシートの表示（PDF） - PMC-Sierra
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PM7350 Datasheet PDF : 241 Pages
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RELEASED
DATA SHEET
PMC-1980581
ISSUE 5
PM7350 S/UNI-DUPLEX
DUAL SERIAL LINK PHY MULTIPLEXER
1 FEATURES
• Integrated analog/digital device that interfaces a high-speed parallel bus to a
high speed Low Voltage Differential Signal (LVDS) serial link with optional 1:1
protection.
• For framers or modems without Utopia bus interfaces the S/UNI-DUPLEX
provides cell delineation (I.432) across 16 clock and data (bit serial)
interfaces.
• Fault detection, redundancy, protection switching, and inserting/removing
cards while the system is running (hot swap).
• Interface to other S/UNI-DUPLEX or S/UNI-VORTEX, to satisfy a full set of
system level requirements for backplane interconnect:
• Transports user data by providing the inter-card data-path.
• Inter-processor communication by providing an integrated inter-card
control channel.
• Exchanges flow control information (back-pressure) to prevent data
loss.
• Provides embedded command and control signals across the
backplane: system reset, error indications, protection switching
commands, etc.
• Clock/timing distribution (system clocks as well as reference clocks
such as 8 kHz timing references).
• When used as a parallel bus slave device, can be configured to share the
bus with other S/UNI-DUPLEX bus slave devices.
• Can interface to another S/UNI-DUPLEX device (via a single LVDS link) to
create a simple point-to-point "Utopia bus extension" capability.
• Can interface to two S/UNI-DUPLEX devices to create a 1:1 protected bus
extension.
• Interworks with PM7351 S/UNI-VORTEX devices to implement a point-to-
multipoint serial backplane architecture, with optional 1:1 protection of the
common card.
• In the LVDS receive direction: selects traffic from the LVDS link marked active
and demultiplexes the individual cell streams to the appropriate PHY device.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
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