Integrated circuit and embedded circuitry initialization and...

H - Electricity – 03 – K

Patent

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Details

H03K 19/177 (2006.01) G06F 15/78 (2006.01)

Patent

CA 2472231

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 sartup/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.

La présente invention concerne une logique d'interconnexion assurant la connectivité d'un circuit logique fixe, intégré, ou de circuits, avec une matrice logique programmable d'un réseau prédiffusé de portes de sorte que le circuit logique fixe fonctionne comme une extension de la matrice logique programmable. La logique d'interconnexion comprend des mosaïques d'interconnexion et peut également comprendre une logique d'interface. Les mosaïques d'interconnexion assurent la connectivité entre des entrées et/ou des sorties du circuit logique fixe et l'interconnexion de la matrice logique programmable. Lorsqu'elle est comprise, la logique d'interface permet d'obtenir des circuits logiques qui conditionnent des transferts de données entre le circuit logique fixe et la matrice logique programmable. Dans un mode d'exploitation, la matrice logique programmable est configurée préalablement à la séquence de démarrage/initialisation du circuit logique fixe. Dans un autre mode d'exploitation, le circuit logique fixe est démarré et utilisé pour configurer la matrice logique programmable.

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