STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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Resolved! My on board ST link V3 cannot work?

The development board is STM32H757I-EVAL which has a ST link V3 on it,but after I download my program (just once) and update the firmware, it cannnot work correctly.Here is the situation when I try to debug it:

0693W000002liNfQAI.png
RZHU.1 by Associate III
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STLink-V2 Issue

I am having trouble communicating with a STM32F042K6T6 microcontroller (on a custom soldered board) via a ST-LINK V2. Whenever I try to connect I receive the error: “Cannot connect to target!�? The STLink V2 does register and I can see it in the soft...

JReas.1 by Associate
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  • 4 replies
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Using STLink V2 with openocd sometimes persists HW breakpoints. Is there a quicker way to clear them other than disconnecting the STLink V2 for an extended period of time.

Every once in a while when remote debugging I wind up with not being able to set HW breakpoints. There's no clear indication of when this will happen, and I'm typically only setting a single break point. If I disconnect the USB to the STLink V2 fo...

BBick.1 by Associate II
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Unable to debug with STM32CubeIDE after upgrading stlink firmware to V2.36.S7 version

Hi there,I am using STM32CubeIDE 1.3.0 with STM32L152x MCUs. When using ST-Link GDB Server, STM32CubeIDE insists on updating Stlink firmware to the latest version (Now is V2.36.S7). After that I get the following errors:ST-LINK SN : 49FF7606837056521...