In order to use this module, other parts of the system must be configured correctly, as described below.
The device selects the OSC16M oscillator which is enabled by default after reset and configured at 4 MHz.
The Boot ROM reads the different NVM rows during its execution.
The relevant fuses must be set appropriately by any configuration tools supporting the device in order to operate correctly.
Refer to the NVM Rows section for additional information.
For security reasons, no debug is possible during the Boot ROM execution except when entering the Boot ROM CPU Park mode.