10.4 NVM Boot
10.4.1 NVM Bootloader Program Description
Figure 10-2. NVM Bootloader Program Diagram
Start
Initialize NVM
Initialization OK?
No
Yes
Valid code detection in NVM
Restore the reset values
for the peripherals and
Jump to next boot solution
No
NVM contains valid code
Yes
Copy the valid code
from external NVM to internal SRAM.
Restore the reset values for the peripherals.
Perform the REMAPand set the PCto 0
to jump to the downloaded application
End
62 SAM9G46 Series [DATASHEET]
Atmel-11028G-ATARM-SAM9G46-Datasheet_08-Dec-15