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! JTAG Boundry scan testing tool

Hii everyone,I.m using STM32F407G-DISC1 board. I've ST-Link V2 external debugger (which image I've attached) because I don't want to use onboard debugger. I want to do a boundary scan testing. Can you suggest me is there any free tool available for S...

Rsrma.1 by Associate III
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STLINKV3 does not read option bytes!

This is with STLINKV3 with V3J7 connected to ST25R3911B-Disco. I try to read the option bytes at 0x1ff00000 :14:22:04 : Size : 4 Bytes14:22:04 : Address : 0x1FF0000014:22:04 : Read progress:14:22:04 : Error: Data read failedBMP PC-hosted can be set t...

On board ST-LINK/v2 debugging on Nucleo-144 board (STM32H743) - upper flash banks show 0xFF, not real values.

- Keil MDK5 v5.31 - STM32H743- Nucleo-144 board- STlink Firmware: STM32 Debug+Mass storage+VCP V2.J35.M26Bank 0 Sector 0 and 1 I can view in the memory windowsBank 0 Sectors 2 through 7, as well as all as Bank 1, show up as 0xFF, i.e. I can't view th...

KBern by Associate
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How to get a H755ZI to run 400 MHz from the ST-Link USB Power? ACTVOSRDY flag never gets set after configuring power for PWR_DIRECT_SMPS_SUPPLY.

Hi all, I've created a few projects on a H755ZI-Q that run just fine at the default 16 MHz (I think), but I'm having trouble getting it to clock at 400 MHz. I've tried this for all of my projects which include, the Cube examples (H745), the CubeIDE N...

RKS by Associate II
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STM32F103 random reset

Hello, we have made a 2 layer board for a STM32f103, and apparently it works fine but we get a random resets now and then. When that occurs there is a 1 in the Bit 27 PORRSTF: POR/PDR reset flag and Bit 26 PINRSTF: PIN reset flag of the Control/statu...

0693W000001syI7QAI.jpg 0693W000001syICQAY.jpg
JCook.1 by Associate
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Resolved! ST-LINK not listed Device Manager

I have a NUCELO-L433RC-P dev board that was working fine for several days but is no longer visible in Win 10 Device Manager. STLinkUpgrade and STM32CubeProgrammer do not find my ST-LINK. STM32CubeIDE gives the error "Error in initializing ST-LINK d...

DWest.1 by Associate II
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