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DESCRIPTION
The PM7351 S/UNI-VORTEX is a monolithic integrated circuit typically used with its sister device, the S/UNI-DUPLEX, to implement a point-to-point serial backplane interconnect architecture.
FEATURES
• Integrated analog/digital device that interfaces a high speed parallel bus to 8 bidirectional data streams, each transported over a high speed Low Voltage Differential Signal (LVDS) serial link.
• Works with its sister device, the S/UNI-DUPLEX, 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).
• Fault detection, redundancy, protection switching, and inserting/removing cards while the system is running (hot swap).
• Each S/UNI-VORTEX Interfaces to 8 S/UNI-DUPLEX devices (via the LVDS links) to create a point-to-multipoint serial backplane architecture.
• Up to 16 S/UNI-VORTEX devices (interfacing to a maximum of 128 S/UNIDUPLEXs) can reside on a single system bus.
• In the LVDS receive direction: accepts cell streams from the 8 LVDS links, multiplexing them into a single cell stream which is presented to the system bus as a single Utopia L2 compatible PHY.
• In the LVDS transmit direction: receives cell streams from the bus master, and routes the cells to the appropriate serial link.
• Cell read/write to the 8 LVDS links is available via the microprocessor port. Provides optional hardware assisted CRC32 calculation across cells to create an embedded inter-processor communication channel across the LVDS links.
• Optionally routes the embedded control channels from the 8 links to/ from the system bus.
• Under software control, the 8 LVDS links can be individually marked active or standby. This is used by the far end S/UNI-DUPLEXs to implement 1:1 protected systems.
• Error monitoring and cell counting on all links.
• Requires no external memories.
• Low power 3.3V CMOS technology.
• Standard 5 pin P1149 JTAG port.
• 304 ball SBGA, 31mm x 31mm.APPLICATIONS
• Single shelf or multi-shelf Digital Subscriber Loop Access Multiplexer (DSLAM).
• ATM, frame relay, IP switch.
• Multiservice access multiplexer.
• Universal Mobile Telecommunication System (UMTS) wireless base stations.
• UMTS wireless base station controllers.
• Multi-shelf access concentrators. -
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Datasheet
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Popular parts of the same kind
- Datasheet: Download PM7351-BI
- Chipdatas Part: CD86-PM7351-BI
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- Last Updated: 2024/10/01 12:06 +0800
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