Large crossbar switch implemented in FPGA

Details Large crossbar switch implemented in FPGA Large crossbar switch implemented in FPGA

2006-06-06

2006-06-06

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Array

C326S038000, C326S039000

Reexamination Certificate

active

07057413

ABSTRACT:
A method for using an FPGA to implement a crossbar switch is described. Rather than using signals routed through the general FPGA routing resources to control connectivity of the crossbar switch, the input signals only carry crossbar switch data, and the connectivity is controlled by FPGA configuration data. The crossbar switch is implemented in two parts: a template of basic and constant routing to carry input signals through the switch array in one dimension and output signals from the array in another dimension, and a connectivity part controlled by a connectivity table or algorithm to generate partial reconfiguration bitstreams that determine which of the input signals is to be connected to which of the output signals.

REFERENCES:
patent: 5705938 (1998-01-01), Kean
patent: 6172520 (2001-01-01), Lawman et al.
patent: 6288568 (2001-09-01), Bauer et al.
patent: 6693456 (2004-02-01), Wong
patent: 6759869 (2004-07-01), Young et al.

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