Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2004-12-21
2008-09-09
Le, Dieu-Minh (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S010000
Reexamination Certificate
active
07424638
ABSTRACT:
A device includes a processor (1) having two states (111, 112) each storing a processing path, a central unit (11) processing the paths in those states, at least one transfer bus (13) between the processor and peripherals, at least one processing path backup and restore bus (14), distinct from the data bus, and a backup and restore memory (15). A processing path controller (16) controls the transfer of a processing path between the memory and a state while the processor processes the processing path of another state. This allows for a reduction in the time wasted by the controller on restore or backup transfers.
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Preliminary Search Report, FR 03 15573, dated Jul. 7, 2004.
Gardere Wynne & Sewell LLP
Le Dieu-Minh
STMicroelectronics S.A.
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