STM32CubeProgrammer (MCUs)

Ask questions on STM32CubeProgrammer and find answers on device detection, connection failure, programming issues, and more.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

STM32CubeProgrammer v2.21 released

We are pleased to announce that STM32CubeProgrammer 2.21 is available What is new in 2.21: • Support for the STM32WL3Rxx microcontrollers:         – Internal memory programming        – Option byte and OTP programming         – PKCS#11        – Firmw...

stlink-gdb-server connection mode

When we want to debug only the M7 core, we use the following line and connect from VsCode:/c/ST/STM32CubeIDE_1.14.1/STM32CubeIDE/plugins/com.st.stm32cube.ide.mcu.externaltools.stlink-gdb-server.win32_2.2.200.202505060755/tools/bin/ST-LINK_gdbserver.e...

CNien by Associate II
  • 339 Views
  • 1 replies
  • 1 kudos

Ubuntu 25.10 - STM32CubeProgrammer upgrade fail.

Launched STM32CubeProgrammer v2.20.0 after a long time since last use - it prompts an update available via an icon button.Clicked the icon, clicked Next, ticked a box, clicked "install Now", it starts download ing a big file...When the file has finis...

Bags by Associate III
  • 410 Views
  • 1 replies
  • 0 kudos

Resolved! STM32CubeProgrammer Unable to detect ST-LINK ISOL

Hi!I'm having trouble connecting to an STLINK ISOL via STM32CubeProgrammer. The STLINK is authentic, I purchased it from digikey. The programmer is detected under Device Manager. The programmer's LED remains static red at all times. Sometimes STM32Cu...

JPFF by Associate II
  • 825 Views
  • 11 replies
  • 5 kudos

No STM32 target found

Good dayI have a Custom PCB with a STM32F217ZG populated.When trying to program with the STM32CubeIDE I get a No STM32 target found error.Then I tried with the STM32CubeProgrammer and get the following:20:27:26 : UR connection mode is defined with th...

SDu T by Associate III
  • 369 Views
  • 6 replies
  • 2 kudos

STM32N657X0-Q ST-Link error (DEV_CONNECT_ERR)

Hey ho everyone I'm a Noob with all this, just surface level knowledge.I'm on Linux ((Ny)arch btw.) newest version. First everything worked switched boot mode (cant remember if boot 1 or 0 as no combination works now) and i could connect. Then i want...

Hitori by Associate
  • 252 Views
  • 0 replies
  • 0 kudos