Is there any possibility of unauthorized reading of the program from the
microcontrollers Internal Program Flash? In other words, can the program be
In Secure mode. read/write of internal data Flash/EE from external memory is
disabled. The secure mode can only be deactivated by initiating a code-erase
command in serial download or parallel programming modes. in this case the code
will be erased and unauthorized reading of the code is not possible.
(For further information, read the section on "Security Modes" in the