Integrated circuit and a method for secure testing

An integrated circuit that includes a controller and multiple internal circuitries, whereas the integrated circuit is characterized by further including a security mode determination unit that includes multiple one time programmable components for defining a security mode out of multiple possible se...

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Bibliographic Details
Main Authors AKSELROD DIMITRI, AMON YOSSI, ASHKENAZI ASAF
Format Patent
LanguageEnglish
Published 19.02.2013
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
JAMMING OF COMMUNICATION
PHYSICS
SECRET COMMUNICATION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:An integrated circuit that includes a controller and multiple internal circuitries, whereas the integrated circuit is characterized by further including a security mode determination unit that includes multiple one time programmable components for defining a security mode out of multiple possible security modes, whereas a selected circuitry mode affects access to an internal circuitry. A method for testing an integrated circuit, the method includes: receiving a request to access an internal circuitry; and responding to the request in view of a defined security mode; whereas the method is characterized by a stage of defining a security mode of a debug circuit out of multiple security modes, whereas the definition is responsive to at least a state of multiple one time programmable components.
Bibliography:Application Number: US20040719883