Method and apparatus for multiple context and high reliability operation of programmable logic devices
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United States of America Patent
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May 1, 2007
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app pub date -
Jul 19, 2005
filing date -
Jul 19, 2005
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Abstract
A method and apparatus to provide triple modular redundancy (TMR) in one mode of operation, while providing multiple context selection during a second mode of operation. Intelligent voting circuitry facilitates both modes of operation, while further enhancing the robustness of the design when used in a TMR mode of operation. Various addressing schemes are provided, which allow dual use of the configuration data lines as selection signals using one addressing scheme, while allowing for dual use of the configuration address lines as selection signals using the second addressing scheme.
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