STM32 MCUs Boards and hardware tools

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semihosting in stm32f746disco

Hi everyone, i want to ask a question about semihosting printing messages in console. I've been using it for some time and it works well. I use it on boards designed by me with various micros and with the ST-LINK/V2 emulator, no problem. I happened t...

mBosc.11 by Associate II
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Resolved! On STM32H7 if VBAT is not connected, but VDD is always present. Does NRST maintain backup registers?

I have an STM32H7 on a custom board. We do not have VBAT connected to anything. We do have a battery always connected to VDD. When I reset the MCU using the NRST pin it seems like the backup domain (registers and RAM) are not maintained. Is this expe...

DanF by Associate II
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3D Step-File for STM32429I-EVAL

Hi,we are planing to build up a functional prototype with the Eval Board STM32429I-EVAL.I got the design files which were available on the product page, because I like to have a 3D-Step File of the whole Eval-Board.Unfortunatelly I can not access the...

PRoßb.1 by Associate
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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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Program custom target with nucleo st link

HiI have a Nucleo F103RB where I would like to use the st link to program my custom board with a ST321F03. I removed the jumpers on CN2 and connected SWDIO, SWCLK and GND.When I try to connect via SWD with CubeIDE I get "Error in initializing ST-LINK...

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AHöfl.1 by Associate II
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