STM32 MCUs Boards and hardware tools

Hello, We have some problem on part number STM32H743XIH6. After we opened the pack to checking the parts condition. We found out the bottom side have some white texture color on PCB. Is it normal condition? Can we use them? Thanks Man

Technological for soldering question

We plan to use in one of our products WLCSP49 package.Please see page 126(PDF attached) - According to Table 80. "WLCSP49 recommended PCB design rules (0.4 mm pitch)" , the recommended Dpad Dimension is 220 µm.We perform some measurements on the PCB ...

SWD connect frequency decreasing after initial programming

On a custom board, we have an issue where after our first connection at 8MHz over SWD, then programming, we can only connect at 50kHz or slower. Has anyone seen this before? Could there be an issue in our hardware design/layout that is causing the co...

What cable is needed to connect CN-13 on the nucleo F429zi board to a PC. A vendor part number would be helpful.

How to use STlink-V3 in mass storage mode to program bootloader and main program? How to continuously influence the address from which STlink-V3 programs the FLASH memory?

Hello, We are switching to STlink-V3 as our main debugging and programming tool. For programming, we use the mass-storage interface for simplicity. It works perfectly.The problem is that the mass-storage interface programs the FLASH memory from addre...

STM32F4 DISCOVERY Board has noisy USART2 when board is powered by external source and USB ST-Link is disconnected.

I have an STM32F4 Discovery board with a USB->Serial converter connected to pins PA2 (TX) and PA3 (RX). I used CubeMX to configure usart2. My test code successfully sends data over usart2 when I power the discovery board as usual over USB.However whe...

Hi, It would be appreciated if someone could assist with the following matter: I have also been unable to find any references or guides describing the process for controlling the GPIOs of the ST-link V3 using the CLI interface. Is it even possible?

I'm using Windows11

Control GPIO of STLINK-V3SET?

The product page for  STLINK-V3SET lists the following:Multi-path bridge USB to SPI/UART/I2C/CAN/GPIOs I can see in the STM32CubeProgrammer CLI that use can use the SPI/I2C/CAN/UART functions. But can you control the state of the GPIO 0-3 pins in som...