Detecting corruption of configuration data of a programmable...

Details Detecting corruption of configuration data of a programmable... Detecting corruption of configuration data of a programmable...

2007-07-19

2010-06-15

Ellis, Kevin L (Department: 2117)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital logic testing

C716S030000

Reexamination Certificate

active

07739565

ABSTRACT:
A programmable logic device includes a configuration memory, a checker, and a redundant-logic detector. An array of programmable logic and interconnect resources is configurable to implement a selected user design. The configuration memory stores configuration data that configures the array of programmable logic and interconnect resources to implement the specified user design. A checker calculates a sequence of checksums from the configuration data that is stored in the configuration memory. A redundant-logic detector indicates corruption of the configuration data stored in the configuration memory in response to at least two consecutive checksums in the sequence not matching a reference value.

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