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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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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STM32L5 Low Power in Shutdown

I am working with a STM32L552ze on a nucleo-144 board and hoping to get to the lowest power consumption available for this processor. However currently I am at 450uA on the MCU power pin. When i first started i was at about .181uA. This is with the s...

chank.10 by Associate
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