DATA PROCESSING DEVICE

摘要

The invention relates to a data processing device with an execution unit (1) and a process controller (2) comprising a programme counter (4). Said data processing device is provided with a programme counter sensor (20), comprising means for determining the address of the command which is next to be carried out and has a comparator which compares the determined address with the content of the programme counter and on a difference occurring sets off an alarm signal (25).