Texas Instruments Corporation

Jerome Neanne

Gregory Remy Philippe Conti

Jerome Laurent Azema

A computing system comprising a processor having a first and second bus (the processor on a first semiconductor die mounted within a semiconductor package), a monitoring device coupled to both the first and second bus of the processor (the monitoring device on the first semiconductor die mounted within the semiconductor package), a memory coupled to the processor via the first bus (coupled to the monitoring device via a security signal, the memory on a second semiconductor die mounted within the semiconductor package), and a user interface external of the semiconductor package (the user interface coupled to the processor via the second data and instruction bus). The monitoring device checks one or both of the first and second busses to determine whether a secure mode entry sequence is delivered to the processor. The first bus and the security signal are only coupled to and accessible by devices within the semiconductor package.

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Nice, France

Jerome Neanne