Debug Circuit and a Method of Debugging

A debug circuit for a multi-mode circuit driven by a clock signal, with an input for a clock signal, and a debug signal generator arranged to generate for each of a subset of the modes of the multi-mode circuit a corresponding debug signal based on a clock signal provided at the input. The frequency...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LESLIE TOM, HUNT PETER, PICKERING ANDREW J
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A debug circuit for a multi-mode circuit driven by a clock signal, with an input for a clock signal, and a debug signal generator arranged to generate for each of a subset of the modes of the multi-mode circuit a corresponding debug signal based on a clock signal provided at the input. The frequency of debug signals is dependent on the frequency of a clock signal provided at the input, and each debug signal selects its respective mode for a length of time longer than that of each other mode of the multi-mode circuit, or each debug signal selects its respective mode for a length of time shorter than that of each other mode of the multi-mode circuit.