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main application address or backup application address in reliable update bootloader

Question asked by ylkevin on May 18, 2017
Latest reply on May 23, 2017 by Kerry Zhou

In "Kinetis Bootloader v2.0.0 Reference Manual" Page 156, its description is:


1. Whether the crcStartAddress is equal to the start address of the vector table of the application.


question: the application is referred to main application or backup application?


The package "NXP_Kinetis_Bootloader_2_0_0" source code tells that it refers to the main application , however, what is the purpose for the crcStartAddress in BCA of backup application code to contain the address of main application code?


Any of guys can explain? Thanks!