STM32 MCUs Products

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Error in initializing ST-LINK device

Hello everyone i had today while working with the NUCLEO H753ZI board and when i try to upload the code i had faced this error message when i try to connect with the cube programmer i faced this error and my LD6 pin is glowing with low intensity can ...

Screenshot (5).png WhatsApp Image 2025-11-18 at 8.00.21 PM.jpeg

Using external RAM with STM32U5G9-HSPI

Hi Everyone,I am working on a project with TouchGFX. I'm working with STM32U5G9ZJT6 and I have an external RAM APS12808L-OBM-BA connected via HSPI (Fclk-hspi 100 MHz) in mapped mode. The project is working, but the image animation are not working wel...

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Resolved! ROM Bootloader - only responds with 0xA5

I have two boards, both with the G473.I am using the ROM bootloader on SPI1. On one board, the bootloader works.  On the other, it only responds with 0xA5 during the initialization sequence.The MCU can program and run if I load it through the SWD por...

JBill.10 by Associate III
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ADV and Voltage divider via resistor Node for USB-PD

Hello, I have a little fight with STM32G0B1KBU3N MCU on my custom board for the USB-PD stack and particularly ADC reading by MCU.what I have:Rtop 191 Kohm resistorRbot 33.2 Kohm resistorWhen Vbus is at zero volts I can measure at ADC node with multim...

Screenshot 2025-11-18 at 14.37.51.png
grisom13 by Associate III
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  • 0 replies
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STM32F303CCT6 vs STM32F303CBT6

I recently purchased some STMF303 boards for implementing a free pre-compiled HEX file.I received the boards with the STM32F303CCT6 chip, but the pre-compiled file was for the STM32F303CBT6 chip. The HEX loads but does not run on any 303CCT6.Are ther...