US Patent 7518397 Chip with in-circuit programability
Patent 7518397 was granted and assigned to International Rectifier (company) on April, 2009 by the United States Patent and Trademark Office.
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A circuit for enabling an IC having a normal mode for performing normal functions and a program mode for programming settings of the IC to use same pins in both modes. The circuit includes an input circuit for receiving the input data; internal circuits for processing the input data in the normal mode; a program circuit for processing the input data in the program mode, a program enable circuit for providing a program enable signal for switching the IC from the normal to the program mode; and a demultiplexer circuit for providing the input data as normal data to internal circuits when the IC is in the normal mode and as program data to the program circuit when the IC is in the program mode.
US Patent 07518397 Chip with in-circuit programability US Patent 7518397 Chip with in-circuit programability
US Patent 07518397 Chip with in-circuit programability
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