Tsi576™
12 Port Serial RapidIO Switch
The Tundra Semiconductor Corporation (Tundra) Tsi576TM is part of Tundra’s
third generation RapidIO switch family supporting 40 Gbits/s aggregate
bandwidth. The Tsi576 enables customers to develop systems with robust
features and high performance at low cost.
Features
Serial RapidIO Interfaces
• 40 Gbits/s aggregate bandwidth
• RapidIO Interconnect Specification (Revision
1.3) compliant
• Low latency with cut-through capability
• Port flexibility fulfills multiple I/O bandwidth
requirements:
The Tsi576 provides designers and architects with maximum scalability to
design the device into a wide range of applications. Flexible port
configurations can be selected through multiple port width and frequency
options. Each of the ports can be run at 1.25 Gbaud, 2.5 Gbaud or 3.125
Gbaud.
– Up to twelve 1x mode ports or
two 4x mode plus eight 1x mode ports
– Port frequency configuration to 1.25, 2.5,
and 3.125 Gbits/s
Building on Tundra’s industry leading RapidIO switch family, the Tsi576
contains all the benefits of its predecessors plus enhances the fabric
switching capabilities through the addition of multicast, traffic management
through scheduling algorithms, programmable buffer depth, and fabric
performance monitoring to supervise and manage traffic flow.
– Support for mixed speed configurations
– Multicast Event Control Symbol
• Low Power
– 200 mW per port power dissipation
– Programmable SerDes
– Configurable on port width and speed
– Per port power down
Block Diagram
• High performance hardware multicast provides
simultaneous packet replication on any
number of ports
Multicast
Engine
• Error management extensions
– Proactive issue notification of endpoints
connected to switch, supports port writes
• Integrated high-speed, full-duplex SerDes with
8b/10b encoding
SP0
(1x)
SP2
(1x)
SP1
(1x)
SP3
(1x)
– Receiver equalization, transmit pre-
emphasis, transmit voltage swing
– IEEE 1149.6 and 1149.1 JTAG support
– Lane swap to ease signal layout routing
• Full duplex, line rate termination, non-blocking
fabric
SP4
(1x)
SP6
(1x)
Enhanced Internal
Switching Fabric
SP5
(1x)
SP7
(1x)
– First Come First Served, SP1 and SP2
scheduling algorithms, supporting traffic
shaping per ingress port based on board
and system level traffic models
– Performance monitoring on individual ports
– Programmable buffer management to
ensure dedicated bandwidth for high
priority packets
SP8
SP10
(4x or 1x)
(4x or 1x)
SP9
(1x)
SP11
(1x)
Registers
– Provisions to eliminate low priority packet
starvation
2
JTAG
I C
– Low Latency through packet cut-through
– Prevention of head-of-line blocking
• Supports packet routing tables for 64,000
endpoints
80B804A_BK001_01
Master and
Slave Devices
IEEE1149.6 Boundary Scan
Embedded applications further benefit from the ability of the Tsi576 to route
packets to multiple endpoints through hierarchical lookup tables,
independent unicast and multicast routing mechanisms, and error
management extensions that provide proactive issue notification to the
fabric controller. In addition, the Tsi576 supports both in-band serial RapidIO
access and out-of-band access to the full fabric register set through the I2C
interface.
Other Device Capabilities
•
I2C Interface
-
-
Master and Slave
Configuration through register initialization
•
•
Hot Swappable Ports
Enables use in field replaceable blade
applications
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