As explained on this thread (https://community.nxp.com/message/1148660?commentID=1148660#comment-1148660), AN12384 PDF shows UART secondary bootloader for LPC5460x, the document says that there are available packed files for testing the solution. Please anyone knows the link for downloading the pack of files?
From page 15:
..."The SBL project and the modifed hello_world and rit_example demo projects from MCUXpresso SDK software library are packed alone with this application note. The projects are originally developed with Keil IDE, but can be easily ported to other IAR IDE like MCUXpresso IDE or IAR IDE. "....
Thanks in advance!