Implementing PCI Express Interconnects in xTCA - 6 Pages

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Implementing PCI Express Interconnects in xTCA

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Implementing PCI Express Interconnects in xTCA

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Implementing PCI Express Interconnects in xTCA Introduction PCI Express (PCIe) is the native interface in many processor architectures including most popular x86 processors and often is perceived as a chip-to-chip interface. Other interface options, such as Ethernet, InfiniBand™, and Fibre Channel, require additional controller devices that are connected to the CPU via PCIe and, hence, add extra cost and power consumption, and have higher latency and lower throughput. Consequently, it makes a lot of sense to use native PCIe wherever possible. In the past, PCIe interface use was limited to...

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In the MTCA world, the PCIe interconnect is very popular. A number of AdvancedMCs (AMCs) as well as MicroTCA Carrier Hubs (MCHs) on the market support PCIe connectivity. Furthermore, MTCA supports both point-to-point interconnect between boards as well as interconnection via a PCIe switch on the MCH. Systems such as these ideally can be implemented using MTCA form factor and the native PCIe interconnect. A Gen3 PCIe x4 interface can deliver speeds of up to 32Gbits/s (excluding overhead: ~31 Gbit/s). The PCIe interconnect can be implemented via a switch on the MCH or, if the number of...

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Implementing PCI Express Interconnects in xTCA MTCA inherently provides remote management capabilities via an Intelligent Platform Management Interface (IPMI). Capabilities include health status, temperature readings, voltage readings and remote reset options. Control System for Large Scale Industrial Test Equipment Large industrial test systems, such as ultrasound scanners for pipes and building materials, tend to be very I/O intensive. Such systems require a high number of front panel accessible I/O connectors. They also tend to require very high speed and low latency interconnect options...

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Portable Medical/Test Scanner Portable systems, be it a medical scanner (ultrasound, etc.) or industrial tester, require a compact and flexible form factor. Such systems, being portable in nature, also depend on shock and vibration immunity. Typically, a portable scanner consists of two distinct elements: • An acquisition subsystem consisting of sensors or cameras, interface cards, and a processing element. • A display subsystem consisting of a CPU and high-performance graphic cards and displays. Both subsystems need to be interconnected via a high-performance bus. An example of this type...

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Implementing PCI Express Interconnects in xTCA Key Requirements Application Image processing, radar, sonar High performance Interconnect X High compute power (needs clustering) X Extended temperature, shock, vibe Small form factor Simulation and modeling Portable medical devices Portable testing, scanning devices Industrial control systems (size restrictions) Industrial control systems (I/O intensive) Train control and entertainment In-flight entertainment Table 1 Applications and Requirements that can be Satisfied by PCIe Appendix: Definitions of Acronyms & Terms The PCIe interconnect has...

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