Patent ID: 8527714

Claim:
Electronic equipment comprising: a processor ( 2 ) programmed to execute a critical function as defined in a predetermined avionics specification, a memory ( 11 ) and a communications module ( 3 ) ensuring an interface with an avionic data network, wherein the communications module ( 3 ) and the processor ( 2 ) are on board a microcontroller ( 1 ) such that the memory ( 11 ) is shared between the processor and the communications module, and a common bus ( 12 ) linking the processor ( 2 ) and the communications module ( 3 ) to the memory ( 11 ), said common bus ( 12 ) being shared between the processor ( 2 ) and the communications module ( 3 ), a surveillance module ( 17 ) for access to the memory ( 11 ) through the common bus ( 12 ), said surveillance module being configured to detect access of the communications module ( 3 ) in a non-authorised address zone of the memory ( 11 ).