Electronic digital logic circuitry – Multifunctional or programmable – Significant integrated structure – layout – or layout...
Reexamination Certificate
2004-07-23
2008-09-02
Tran, Anh Q. (Department: 2819)
Electronic digital logic circuitry
Multifunctional or programmable
Significant integrated structure, layout, or layout...
C326S041000, C326S101000
Reexamination Certificate
active
07420392
ABSTRACT:
Interconnecting logic provides connectivity of an embedded fixed logic circuit, or circuits, with programmable logic fabric of a programmable gate array such that the fixed logic circuit functions as an extension of the programmable logic fabric. The interconnecting logic includes interconnecting tiles and may further include interfacing logic. The interconnecting tiles provide selective connectivity between inputs and/or outputs of the fixed logic circuit and interconnect of the programmable logic fabric. The interfacing logic, when included, provides logic circuitry that conditions data transfers between the fixed logic circuit and the programmable logic fabric. In one operation, the programmable logic fabric is configured prior to the startup/boot sequence of the fixed logic circuit. In another operation, the fixed logic circuit is started up and is employed to configure the programmable logic fabric.
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Douglass Stephen M.
Herron Nigel G.
Schultz David P.
Sowards Jane W.
Vashi Mehul R.
Liu Justin
Tran Anh Q.
XILINX Inc.
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