Circuit for and method of implementing a scan chain in programmable resources of an integrated circuit

A circuit for implementing a scan chain in programmable resources of an integrated circuit is described. The circuit comprises a programmable element configured to receive an input signal and generate an output signal based upon the input signal; a selection circuit configured to receive the output...

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Bibliographische Detailangaben
Hauptverfasser: Devlin, Benjamin S, Camarota, Rafael C
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A circuit for implementing a scan chain in programmable resources of an integrated circuit is described. The circuit comprises a programmable element configured to receive an input signal and generate an output signal based upon the input signal; a selection circuit configured to receive the output signal generated by the programmable element at a first input and to receive a scan chain input signal at a second input, wherein the selection circuit generates a selected output signal in response to a selection circuit control signal; and a register configured to receive the selected output signal of the selection circuit.