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STM32091C-EVAL

Question asked by Neil Armstrong on Nov 28, 2017
Latest reply on Dec 6, 2017 by Neil Armstrong

I have a STM32091C-EVAL board, and I'm trying to get console output on the STLink-2.1 debug console interface throught USART5, but I have no output by the STLink.

 

- I have updated the STLink firmware to the latest 2.29.18, no effect

- I took the USART5 signals from the CN6 header, I have correct console output

- I soldered an header on the CN17 header, right before the stlink, after the U17, nothing, output line is allways at 0

 

I suspect the level shifter to be faulty, because the voltages on the level shifter pins are OK.

 

Anybody got the same issue ? is it only on my board ?

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