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Bootloader won't branch to application program

MAmem.1
Associate III

Hi,

I'm using a STM32G474VET6 with 2x256K flash size.

My custom bootloader is located in Bank1, won't branch to application program.

The PC counter value won't change when debugging to Jump_To_Application()

FYI, when application code is:

Optimized HIGH:

Startup is located in 0x08039D6C (in bank1).

Optimized NONE:

Startup is located in 0x0804D368 (in bank2).

In both senario the bootloader won't jump to the application.

DBANK=1 and BFB2=0

thanks

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