Content originally posted in LPCWare by bavarian on Wed Oct 28 06:12:00 MST 2015
Hi,
after a look at Fig. 13 I agree that this does not reflect the correct boot sequence for the flash parts.
As the text indicates, the bootloader always jumps to the internal flash first, if it finds a valid flash signature then it continues from there.
If CRPx is detected, then the respective functionality is disabled by the bootloader before starting from internal flash.
If there is no signature, it will follow the process which is also valid for the flashless parts.
So it is ensured that the bootloader can't be hijacked in order to bypass this code protection functionality.
We will correct the user manual.
Thanks and regards,
NXP Support Team.