Dedicated crossbar and barrel shifter block on programmable...

Electronic digital logic circuitry – Multifunctional or programmable – Array

Reexamination Certificate

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C326S037000, C326S041000

Reexamination Certificate

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11371451

ABSTRACT:
A dedicated hardware block is provided for implementing crossbars and/or barrel shifters in programmable logic resources. Crossbar and/or barrel shifter circuitry may replace one or more rows, one or more columns, one or more rectangles, or any combination thereof of programmable logic regions on a programmable logic resource. The functionality of the crossbar and/or barrel shifter circuitry can further be improved by implementing time-multiplexing.

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patent: 6289494 (2001-09-01), Sample et al.
patent: 6404225 (2002-06-01), Rangasayee
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patent: 6590417 (2003-07-01), Jones et al.
patent: 6628140 (2003-09-01), Langhammer et al.
patent: 6724328 (2004-04-01), Lui et al.
patent: 2004/0075469 (2004-04-01), Reblewski et al.
patent: 2005/0174270 (2005-08-01), Koo et al.

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