The Tsi382™ is a small form-factor, high performance forward bridge that connects a single lane PCI Express (x1 PCIe) interface to the PCI bus standard.

The Tsi382’s PCIe Interface is compliant to the PCI Express Specification (Revision 1.1). The device’s 32 bit PCI Interface can operate up to 66 MHz in PCI mode. This interface offers designers extensive flexibility by supporting three types of addressing modes: transparent, opaque, and non-transparent.

The Tsi381™ is a high-performance forward bridge that connects a single lane PCI Express (x1 PCIe) interface to the PCI bus standard.

The Tsi381’s PCIe Interface is fully compliant to the PCI Express Specification (Revision 1.1). The device’s 32 bit PCI Interface can operate up to 66 MHz in PCI mode. This interface offers designers extensive flexibility by supporting three types of addressing modes: transparent, opaque, and non-transparent.

The Tundra Tsi352™ is an industry-standard 32-bit 66-MHz synchronous PCI-to-PCI bridge available in eutectic or RoHS compliant 160-pin PQFP packages. The Tsi352 is a competitively priced, low-power device that can be used on existing board footprints using standard 32-bit 66-MHz PCI-to-PCI bridges from Intel, Pericom, PLX, and TI.

Fully compatible with the PCI Local Bus Specification (Revision 2.3), the Tsi352 supports two PCI buses operating concurrently with sufficient clock and arbitration pins to support four PCI bus master devices directly on its secondary interface.

The Tundra Tsi350A™ is an industry standard 32-bit 66-MHz asynchronous PCI-to-PCI bridge available in eutectic or RoHS compliant 208-pin PQFP and 256 BGA packages. The Tsi350A is a competitively priced, low-power device that can be used on existing board footprints using standard 32-bit 66-MHz PCI-to-PCI bridges from Pericom, PLX, and TI.

Fully compatible with the PCI Local Bus Specification (Revision 2.3), the Tsi350A supports two PCI buses operating concurrently with sufficient clock and arbitration pins to support nine PCI bus master devices directly on its secondary interface.

The Tundra Tsi340™ is an industry-standard 32-bit, 66-MHz synchronous PCI-to-PCI bridge available in a RoHS compliant, 128-pin PQFP package. The Tsi340 is a high-quality, small form-factor, low-power device backed by Tundra’s world-class service and support. The device can be used on existing board footprints using 128-pin PQFP PCI-to-PCI bridges as a competitively priced alternative.

Fully compatible with the PCI Local Bus Specification (Revision 2.3), the Tsi340 supports two PCI buses operating concurrently with sufficient clock and arbitration pins to support four PCI bus master devices directly on its secondary interface.

The Tundra Tsi310™ PCI/X bridge is the industry standard, 64-bit, 133-MHz PCI-X to PCI-X bridge. The device's interfaces can be independently configured to operate in PCI or PCI-X mode allowing for efficient, hierarchical expansion of I/O bus structures. The Tsi310 feature set supports applications with embedded subsystems on the secondary bus of the bridge.

The evolutionary PCI-X I/O technology increases system performance with greater throughput and efficiency. It provides up to eight times more speed than PCI bus technology, and delivers the high performance required for enterprise, telecommunications, and data communications systems.

The Tsi310 transparently connects two electrically separate PCI-X bus domains, allowing concurrent operations on both buses. This results in good utilization of the buses in various system configurations and enables hierarchical expansion of I/O bus structures. The Tsi310 can handle 64-bit data at a maximum bus frequency of 133 MHz (depending upon the bus topology and load), and is backward compatible with all 3.3V I/O PCI interfaces. The Tsi310 also provides extensive buffering and prefetching mechanisms for efficient transfer of data through the device, facilitating multi-threaded operation, and high system throughput.

The Tundra Tsi620™ is the latest offering in Tundra’s industry-leading family of RapidIO devices. The Tsi620 provides the functionality of both a RapidIO switch and a non-transparent RapidIO-to-PCI bridge. The RapidIO switch offers 50 Gbps aggregate bandwidth, while the RapidIO-to-PCI bridge enables legacy systems to link to the high-bandwidth RapidIO interconnect. The Tsi620 contains all the benefits of Tundra's family of RapidIO switches and adds interfaces to PCI-enabled processors, as well as an interface to low-cost FPGAs.

The RapidIO switch offers up to three 10 Gbps ports as well as a port for 10 Gbps RapidIO over an XGMII physical interface. The device can be used to connect clusters of DSPs and microprocessors required for high performance embedded computing applications, such as wireless baseband 3G LTE, WiMAX, and wideband CDMA systems. It can also be used in wireline networking, video, and military applications to reduce cost while increasing performance. Alternatively, one or more ports from the RapidIO switch can be used for backplane or front panel connectivity.

This FPGA port on the RapidIO switch permits the use of the Tsi620 with low-cost non-SerDes FPGA, or eliminates a discrete SerDes from the system, substantially reducing system-level cost.

The RapidIO-to-PCI bridge enables legacy systems to link to DSP clusters through the high-bandwidth RapidIO Switch. By leveraging the PCI-to-RapidIO bridging capability, system OEMs are able to use competitively priced embedded processors, while leveraging the investment in existing embedded software.

The Tsi578™ is Tundra’s third-generation Serial RapidIO Switch. Supporting 80 Gbps aggregate bandwidth, the Tsi578 enables customers to develop high performance systems at low cost. The device is targeted at the following:

• Chip-to-chip DSP and processor aggregation
• Board-to-board backplane interconnect
• Chassis-to-chassis interconnect over copper or optics

The Tsi578 can be configured as a 16-port x1 switch or an 8-port x4 switch (or various combinations of x1 and x4). Each of the ports can operate at 1.25 Gbaud, 2.5 Gbaud, or 3.125 Gbaud.

The Tundra Tsi577™ is a fifth-generation RapidIO switch. The Tsi577 supports 40 Gbps aggregate non-blocking bandwidth at lower power than previous RapidIO switches.

Using the Tsi577, flexible port configurations can be selected through multiple port width and speed options. The Tsi577 can be configured as a 16-port x1 mode switch or a 4-port x4 mode switch (or various combinations of x1 and x4 modes). Each port on the device can be a single x4 mode port or four x1 mode ports and can operate at 1.25 Gbaud, 2.5 Gbaud, or 3.125 Gbaud (or any speed in between on a quad grouping basis).

The Tsi576™ is part of Tundra’s third-generation RapidIO® switch family. Supporting 40 Gbps aggregate bandwidth, the Tsi576 enables customers to develop high performance systems at low cost. The device is targeted at chip-to-chip DSP and processor aggregation and connection to network/backplane uplinks.

The Tsi576 can be configured as a 12-port x1 switch or a two-port x4 plus eight x1-port switch (or various combinations of x1 and x4). In the “eight plus two” configuration, the two-port x4 are used to aggregate traffic from local DSP or processor clusters serviced by the up to eight x1-ports. Each of the ports can be run at 1.25 Gbaud, 2.5 Gbaud, or 3.125 Gbaud.

The Tsi574™ is part of Tundra’s third-generation RapidIO switch family. Supporting 40 Gbps aggregate bandwidth, the Tsi574 enables customers to develop high performance systems at low cost. The device is targeted at chip-to-chip DSP and processor aggregation.

The Tsi574 can be configured as an 8-port x1 switch or a 4-port x4 switch (or various combinations of x1 and x4). Each of the ports can be run at 1.25 Gbaud, 2.5 Gbaud, or 3.125 Gbaud.

The Tundra Tsi568A™ is a second-generation RapidIO switch. Supporting 80 Gbps aggregate bandwidth, the Tsi568 enables customers to develop high performance systems at low cost.

The Tsi568A can be configured as a 16-port x1 switch or an 8-port x4 switch (or various combinations of x1 and x4). Each of the ports can be run at 1.25 Gbaud, 2.5 Gbaud, or 3.125 Gbaud.

The Tsi564A™ is part of Tundra’s family of second-generation RapidIO switches. Supporting 40 Gbps aggregate bandwidth, the Tsi564 enables customers to develop high performance systems at low cost. The Tsi564 is targeted at chip-to-chip DSP and processor aggregation and comes in a small 21 mm x 21 mm package size.

The Tsi564A can be configured as a 8-port x1 switch or an 4-port x4 switch (or various combinations of x1 and x4). Each of the ports can be run at 1.25 Gbaud, 2.5 Gbaud, or 3.125 Gbaud.

The Tundra RapidIO Power Calculator provides switch power consumption under various conditions. This provides an application specific view of power by taking into account the specific configuration of the switch.

The tool enables power to be determined for various combinations of link speeds (3.125, 2.5, 1.25 Gbaud), lane configurations (4x, 1x), and port counts used on a specific Tundra switch. The tool also can estimate power based on non-standard RapidIO rates or varying traffic conditions.

The Tundra family of RapidIO Switches enable a system-level diagnostic capability using features built into the SerDes on RapidIO ports. The quality of the RapidIO link connected between Tundra switches, or between a Tundra switch and a compatible endpoint, can be analyzed with the RapidIO Signal Analyzer.

This tool enables the system OEM to view the quality of the serial signal as seen on the actual die through a hardware component, the Tsi574™ Link Partner Card (LPC); and a software component, the On-chip Scope diagnostic software (OCS). These components of the RapidIO Signal Analyzer work together to provide signal visibility and to analyze link integrity in Tundra RapidIO based designs.

The Tundra Tsi148™ is the highest bandwidth VME bridge available, providing PCI-X-to-VME 2eSST performance levels while maintaining backward compatibility with older standards.

As the VME chassis continues to evolve, Tsi148 provides the bandwidth required to connect together distributed computing elements. VME systems are using distributed processing elements like CPUs, NPUs, and DSPs in order to manage the thermal density and provide scalability. New standards like VXS and VPX are using RapidIO® interconnect as the data path but in parallel VME bus traffic will also increase because control plane bandwidth scales with data bandwidth.

The Universe™ IID (also known as Universe II) is the industry standard PCI-to-VME bridge. Bridging is accomplished via a powerful decoupled architecture with independent FIFOs for inbound, outbound, and DMA traffic. With this architecture, throughput is maximized without sacrificing bandwidth on either bus. Universe bridges between the VME 64-bit bus to either a 32- or 64-bit PCI bus at 33 MHz.

A zero-wait state implementation, with multi-beat transactions and support for bus parking, ensure that the Universe II is never the bottleneck on the PCI bus. On the VME interface, a rich set of features ensures that the device fits within a wide range of applications. A full suite of addressing and data modes is implemented, including BLT and MBLT support. In addition, a fully featured system controller, interrupter, interrupt handler, and Linked-List DMA make the Universe II a flexible System Interconnect device.

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