Preprocessing switch speeds data in DSP clusters.

EDN, September, 2006

by Graham Prophet, EDN Europe A new preprocessing switch from IDT incorporates the ability to perform preprocessing in the switch path, leading to an increase of as much as 20% in system efficiency. The switch has 40 bidirectional and configurable SRIO (Serial RapidIO) links, including 10 four-lane-wide ports, as many as 22 one-lane-wide ports, or a combination of four- and one-lane-wide ports.

You can independently program each port for 1.25-, 2.5-, or 3.125-Gbps transmission speeds, as well as for short-haul, chip-to-chip-transmission distances or long-haul, backplane-transmission distances. The chip comes with a simulation tool that allows you to evaluate boards and systems based on RF-card and DSP models, accurately representing channel...

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