Method of use:
• The secure image secondary slot region is located at address FLASH_AREA_2_OFFSET (defined in TFM\
Linker\flash_layout.h file), as described in Figure 3. To use the secure image secondary slot, data
must be written in the correct image format in the secure Image secondary slot area and the Magic 16 bytes
must be written in the slot area end location as described in Figure 4.
Figure 3. Flash layout
Figure 4. Image format
UM2852
Operational guidance for the integrator role
UM2852 - Rev 1
page 16/27