STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F7 UART Communication Using DMA

UART Communication Using DMA Not WorkingI have Nucleo-F767ZI Rev B board and using the STM32CubeIDE Version: 1.1.0.To test and implement UAR-DMA communication as presented in:STM32CubeMX basics: 10.11 STM32Cube HAL labs UART - UART DMA https://www.yo...

ASoos.1 by Associate
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Two UART DMA transmissions in a row.

Hello,I am currently working on a project which requires the use of the transmission / reception of a UART by DMA. I would like to make two transmissions in a row like the following.void send_all_registers() { HAL_UART_Transmit_DMA(&huart2, (unsigne...

Resolved! Changing SPI Prescaler Value on Nucleo-L476RG

Hi,I am pretty new to programming STM32 MCUs and I have been having a hard time finding out how to change the SPI prescaler value on my Nucleo-L476RG board. I am trying to implement FatFS using SPI via an online tutorial and their method of changing ...

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TNguy.18 by Associate II
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How to use RCC to reset a peripheral?

STM32G474RE: I need to reset the USART3 peripheral and I see the register RCC_APB1RSTR1.USART3RST. I assume this bit needs to be set, then cleared, after a delay. But there doesn't seem to be documentation. What is the correct procedure and how long ...

STM32H750 SPI/SDIO affects ADC noise

Hi,So I have two layer board. I have SDIO connected to SD Card and another SPI to LCD. My board uses DC-DC (Recom 3.3V) for digital power and LD1117-3.3V for analog power and both with common ground plane. No digital lines cross analog lines. Actuall...

Duddie by Associate II
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STM32F103 low density: missing flash size information?

Hello,we are using various STM32F103 derivatives in several products. So far, we never had any problems reading out the flash memory size from the factory-programmed register at 0x1FFFF7E0.Currently, we are using the STM32F103R4 device (photo attache...

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tilmann by Associate III
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