STM32CubeProgrammer (MCUs)

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

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Resolved! STM32CubeProgrammer v2.22 released

We are pleased to announce that STM32CubeProgrammer 2.22 is available What is new in 2.22: Support for the STM32U3 microcontrollers with 2 Mbytes of flash memory: Internal memory programming through debug and bootloader interfacesOption bytes program...

Resolved! No ST-Link Detected

Hi,I'm having trouble getting my ST-Link V2 dongle to be recognized by Cube Programmer. It is recognized by Windows 10 in the device manager, I have been able to update the firmware, and I can get it to load in STM32 ST-Link Utility, but that program...

jrronzani_0-1766544405084.png jrronzani_1-1766544502317.png jrronzani_2-1766545099083.png

Resolved! STlinkV3MODS_STM32 target not found.

Hi, I have brought 2 STlinkV3MODS. I have soldered wire at CN5 connector with 5+3 pin general connector to target the bluepill(not sure original or clone) the target MCU is STM32F103C8T6. when i select STlink at cube programmer shows error: debug aut...

BAS-BLEU by Associate III
  • 534 Views
  • 1 replies
  • 0 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
  • 577 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
  • 1469 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
  • 707 Views
  • 6 replies
  • 2 kudos

Device held under reset after programming

Hi, I’m working with an STM32C011F6P6TR device, and after programming it via SWD using STM32CubeProgrammer, the MCU became completely stuck in resetSymptoms- After programming an ELF file through STCubeProgrammer, the MCU no longer runs.- The NRST pi...

ronnabh_0-1765293083948.png
ronnabh by Associate II
  • 521 Views
  • 2 replies
  • 0 kudos