Updating configuration for programmable logic device

Details Updating configuration for programmable logic device Updating configuration for programmable logic device

2006-07-25

2006-07-25

Le, Don (Department: 2819)

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

C326S041000

Reexamination Certificate

active

07081773

ABSTRACT:
A programmable logic device is reconfigurable between two functionalities, while it is in use. The programmable logic device has a first store, into which configuration data may be downloaded from an external memory device, and a second store, in which a copy of the configuration data is maintained, with the functionality of the programmable logic device being determined by the copy of the configuration data, thereby allowing additional configuration data to be downloaded from the external memory device into the first store, while maintaining the functionality of the device. This allows the device to be used to provide two different functionalities, and to be switched between these two functionalities with minimal delay for reconfiguration of the device.

REFERENCES:
patent: 5548228 (1996-08-01), Madurawe
patent: 6172521 (2001-01-01), Motomura
patent: 6842854 (2005-01-01), Nishihara et al.
patent: 2005/0189962 (2005-09-01), Agrawal et al.

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