Welcome to the ST Community!

STM32F446RET6 – VCAP1 only 0.4–0.6V and MCU not detected by ST-LINK

Dear STMicroelectronics Technical Support,I am working on a custom PCB using the STM32F446RET6 in LQFP64 package, and I am facing a hardware issue where the MCU is not detected by ST-LINK and the VCAP1 voltage is much lower than expected.I would appr

1318

10 minutes ago

Zhiyong LiAssociate II

SPI on STM32H743 idles half of the time during active data transmission

Hi,I am in the middle of migrating a project from STM32F767 to STM32H743. Both MCUs being compatible helped a lot.But there have been still a few road blocks, the last of which seems to be SPI. We use SPI3 to interface with a RA8875 based LCD. With D

644

1 hour ago

PHolt.1Senior

Cube IDE mystery file

Does anyone know what the productname.xml file in a Cube IDE directory does?<?xml version="1.0" encoding="UTF-8" standalone="no"?><targetDefinitions xmlns="http://openstm32.org/stm32TargetDefinitions" xmlns:xsi="http://www.w3.org/2001/XMLSch

3 hours ago

Karl YamashitaPrincipal

Here is a fix for ST-Link/V2 on Windows on Arm

I recently purchased a new Windows on ARM laptop—a Snapdragon X2 Elite, to be exact. Like many others, I ran into issues getting the ST-LINK/V2 to work because of driver compatibility. I ended up working on a fix that allows STM32CubeProgrammer to co

301

4 hours ago

JThompsonVisitor II

ST-Link Driver Install Fails on Windows ARM64

Subject edited to mention ARM64 - p.a. Hi everyone, I am having trouble getting my STM32 NUCLEO - F411RE setup. When I attempt to run a simple program through CubeIDE I am met with "NO ST-LINK detected! Please connect ST-LINK and restart the deb

3323

4 hours ago

JDWBEAssociate III

Others: hardware and software

How to handle “Big TCP” packets in LwIP

Hello forum membersI’m busy with the implementation of a TCP server that needs to handle a TCP connection with already existing PC application that I can’t change.Everything works well as long the packets are not longer then 1500 bytes. When the pack

5 hours ago

UmairAssociate

STM32 MCUs Security

STM32H5 Secure Manager + TLS stack (CycloneCRYPTO) : Peripheral ownership and Opaque key handling

Hi!SetupMCU: STM32H573 (Cortex-M33, TrustZone enabled) Secure world: STM32 Secure Manager via SMAK, product state CLOSED Non-secure app: CycloneTCP / CycloneSSL / CycloneCRYPTO (Oryx Embedded) Use case: HTTPS server on a networked device with a long-

Single Sign-On Error when trying to create a Support Request

a14523Associate

Feedback forum

Hi everyone!I get an error message when trying to create a support request. The same just like in this topic.I don't know who is my Salesforce admin is or how to contact them.Any help would be greatly appreciated.

553

LaurCVisitor

Using the Nucleo-U083RC ST-LINK for others MCU

Hi,I need an ST-Link to debug external STM32U0 devices, specifically to modify option bytes and use RDP regression with OEM keys via STM32CubeProgrammer, and I was wondering if the JP6-11 pins on the Nucleo-U083RC could be connected to another MCU to

HWhit.1Associate III

Problem with configuring DAC1_OUT1 and DAC1_OUT2 to drive COMP1 and COMP2 INP- by internal connection

8 minutes ago

engahmedmaherAssociate

STM32F446RET6 – VCAP1 only 0.4–0.6V and MCU not detected by ST-LINK

1318

10 minutes ago

Zhiyong LiAssociate II

SPI on STM32H743 idles half of the time during active data transmission

644

1 hour ago

PHolt.1Senior

Cube IDE mystery file

3 hours ago

Karl YamashitaPrincipal

Here is a fix for ST-Link/V2 on Windows on Arm

301

4 hours ago

JDWBEAssociate III

Others: hardware and software

How to handle “Big TCP” packets in LwIP

5 hours ago

UmairAssociate

STM32 MCUs Security

STM32H5 Secure Manager + TLS stack (CycloneCRYPTO) : Peripheral ownership and Opaque key handling

Single Sign-On Error when trying to create a Support Request

a14523Associate

Feedback forum

553

LaurCVisitor

Using the Nucleo-U083RC ST-LINK for others MCU