Programmable logic device and methods for providing...

Details Programmable logic device and methods for providing... Programmable logic device and methods for providing...

2009-12-03

2011-11-15

Le, Dieu-Minh (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C715S252000

Reexamination Certificate

active

08060784

ABSTRACT:
In one embodiment of the invention, a programmable logic device includes configuration memory and a controller. The controller can read a first bitstream from a first memory block of non-volatile memory and detect whether the first bitstream contains a valid preamble as the first bitstream is read from the non-volatile memory and before configuration data in the first bitstream is programmed into the volatile configuration memory. If a valid preamble is detected in the first bitstream, the controller programs the configuration memory with configuration data in the first bitstream. If a valid preamble is not detected in the first bitstream, the controller reads a second bitstream from a second memory block of the non-volatile memory.

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