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stm32L073 uart2 flash loader

Question asked by Jin ho An on Dec 13, 2017
Latest reply on Dec 20, 2017 by Jin ho An

I have a nucleo-L073RZ board.

Boot0 port, Flash loader is being used to download the firmware.

Connecting with USART1 (PA9, PA10) works well.

However, it can not be connected to USART2 (PA2, PA3).

In the AN2606 document, USART2 is supposed to be done. What is the problem?