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Flash a cascade of STM32 with bootloader

Question asked by Constantin Wiesener on Apr 24, 2017
Latest reply on Apr 24, 2017 by Clive One

Consider the following setting:


One MAIN STM32F407 and one LOW STM32F407.

There are both connected via a UART. But only the main is connected with the UART to a flasher.

How could I flash both CPU (both are running with bootloader) through the one UART connected to the MAIN CPU?

Thanks for your help and best regards,