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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I can't seem to debug my STM32L010K4 processor, I have been through the layout with a finetooth comb but can't see any hardware issues. The device also does not run unless I go into the STM32 ST;-Link V2 and select run from the MCU_Core menu,

I am running Kiel uVision under the free LO licence and I can program the board and read it back in ST-Link V2 so i know I have connections to the device, however whenever I try and connect to the device to debug I get an error "Cannot access target....

GAitc by Associate II
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"no STM32 target found" with ST-LINK V2 ISOL

I purchased a new ST-LINK V2 ISOL debugger but whenever i connect it to my custom STSPIN32F0 board using SWD protocol (VCC, SDA,SCLK, GND), its showing no STM32 target found and error showing target voltage is too low but 3.3 V showing on the VCC pin...

Kunal by Associate II
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Resolved! NucleoH723 - How to Implement VBAT

Hello,I need to keep alive an RTC when the system is rebooted and I see there is VBAT pin in the MCU->Nucleo board which I understand is made for it. What I don't understand however is if in the Nucleo I should take out the 0Ohm resistor on SB52 or ...

FCamp.1 by Associate III
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No connection from ST-Link

I have two custom boards with STM32G0B1 Chips. I am using an ST-Link V3 (V3J10M3 on Stm32CubeProgrammer - SWD default settings)to flash them.On the first board, I could connect, but on flashing it for the first time, it reported failed to erase memor...

JRS by Associate III
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  • 4 replies
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Ferrite Bead Suggestion for STM32L412

Hello,I am using STM32L412 Microcontroller in my current project.As shown in the attached image in the Application Note "AN4555" for STM32L412,For additional Precautions, VDD should be connected through Ferrite Bead at the VDDA pin.So, my question i...

0693W00000WKKOCQA5.png
DBhut.1 by Senior
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  • 1 replies
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NUCLEO-L432KC external power how is it done?

I have a NUCLEO-L432KC like the title says and I want to power it from an external source. I am using the ST-Link debugger as an 8mhz clock input, and when the st-link is not powered it pulls the RST pin low and I don't get my 8mhz clock input. I hav...

MFrie.6 by Associate III
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