Electronic digital logic circuitry – Multifunctional or programmable – Array
Patent
1997-06-13
2000-01-04
Tokar, Michael
Electronic digital logic circuitry
Multifunctional or programmable
Array
326 40, H03K 19177
Patent
active
06011407&
ABSTRACT:
A field programmable gate array is provided which has a programmable portion and a dedicated controller-interface circuit. The programmable portion includes conventional input/output (I/O) blocks and configurable logic blocks (CLBs). The controller-interface circuit allows the FPGA to be operably coupled to an external computer bus, such as a PCI bus. The programmable portion and the controller-interface circuit are separately programmable. As a result, after the controller-interface circuit is initialized, the programmable portion can be cleared and reconfigured without having to re-initialize the controller-interface circuit. The programmable portion is programmed in accordance with an implied addressing scheme in response to a configuration bit stream.
REFERENCES:
patent: 5469003 (1995-11-01), Kean
patent: 5600845 (1997-02-01), Gilson
patent: 5646544 (1997-07-01), Isdanza
patent: 5801547 (1998-09-01), Kean
patent: 5838165 (1998-11-01), Chatter
"The Programmable Logic Data Book", available form Xilinx, Inc., 2100 Logic Drive, San Jose, Ca 95124, 1996, pp. 4-1 through 4-96. No Month.
Hoffman E. Eric
Le Don Phu
Tokar Michael
Xilinx , Inc.
Young Edel M.
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