STM32 MCUs Boards and hardware tools

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Hi, we've a new custom-made electronics with two micros STM32H755. The first try connecting a ST-Link V3 via SWD was successful. Before flashing the two target files for CM7 and CM4 my colleague carry out a 'Full chip erase'.

After that, both files could be flashed. After a RESET we got the following error message:Error: No STM32 target found! If your product embeds Debug Authentication, please perform a discovery using Debug Authentication 18:06:27 : UR connection mode i...

THerm.1 by Associate II
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  • 6 replies
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CubeIDE does not see ST-Link Server

Hello. I don't know exactly what the IDE needs, but it doesn't seem to see the St link server, but at the same time says that it is installed. When you press the Debug or Run button, a window appears with the inscription "ST-Link Server is required t...

0693W000006Ej45QAC.png 0693W000006Ej4AQAS.png
gadzhi by Associate II
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  • 16 replies
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STM32F3348-disco USB connection fails

When connecting a brand new STM32F3348-DISCO board to USB on my MacBook Pro (M1, Ventura), USB communication fails and the ST-Link is not recognised. LD2 flashes brightly red and LD1 flashes hardly visible.Sometimes the communication works for a very...

P_1 by Associate II
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  • 12 replies
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