STM32 MCUs Products

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STM32H523 QUADSPI W25Q64 External Loader

Hi, I'm trying to do an external loader according ST's MOOC and this forum https://community.st.com/t5/stm32-mcus-products/stm32h5-external-loader/td-p/601134.My code pass on all ST's tests of memory, but when I generate a stldr it does not read on c...

MMira.4 by Associate II
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STM32U073CCT6 LPTIM

HiI'm trying to use an LP TIM to generate an interrupt after a time interval on an STM32U073CCT6. The interrupt will wake the processor from STOPMODE2.I haven't found any examples, and the STM32CUBE MX doesn't have a software-triggered single-shot op...

How to configure STM32F103 USB endpoints.

Been reading thru the F103 datasheet to try and figure out why my TinyUSB based code isn't working. The datasheet says.. "For mono-directional/single-buffer endpoints, a single register can be used to implement two distinct endpoints". The F103 has...

Bags by Associate II
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Data transfer from SAI to DTCM using HPDMA not working

I am using a Nucleo-N657X0-Q board to prototype a data collection system that collects samples from an ADC connected to the SAI peripheral and places the results in RAM. If I use CPU AXI RAM0 as the destination this works correctly, but if I change t...

nige_w by Visitor
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Cortex M0 Vector Table Reallocation Problem

In my embedded software project, I need to write a bootloader. I wrote an application code for the bootloader and testing, and everything is fine so far, but the delay function in the application code is not working. I think the reason for this is th...

Unwanted received byte at startup with UART+DMA

Hello ST experts,I have a weird experience with UART communication between two STM32G4 microcontrollers. MCU1 sends 10 bytes to MCU2 via UART. Both UARTS are configured with 9600 Baud rate with DMA in circular mode. The Problem arises when the MCU1 i...

Crystal and Capacitor Select for STM32H743VIT6

Hello, I want to design a PCB with STM32H743VIT6 MCU. But I am not sure how can I choose crystal and capacitors properly. In STM32H743VIT6 datasheet there is one section about this topic;according to this information should I take the Cstray value as...

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