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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Custom firmware update tool for an STM32

Hello,We are developing a product that uses an STM32, and we are wondering where we can find details about, or if it's feasible to create a customized firmware update tool for customers without extensive development time. We have no problems updating...

JMerr.3 by Associate
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  • 5 replies
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Resolved! End of life agreement

Hi,I have a new project which should use only parts with life time of around 10 years. Where can I see on ST's website these information for a MCU?

Osto by Senior
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8 Byte stack align in interrups (vs. 4 byte)

Hi. I realize this may seem simple to some of you but i realy want to undestand this as easy as it is possible. In STM32 (for example) there is a bit called STKALIGN. If this bit is set stack is align to 8 byte instead of 4 byte.How can i see differ...

sholojda by Associate III
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  • 10 replies
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Resolved! atanf function not working?

Can anyone tell me why the value of 'c' here should be NaN ??On other platforms I get the same result for 'a' and 'c', as expected.#include <math.h>   float a = atanf( -1.0f ); // returns -0.785398185   float b = -1.0f; float c = atanf( b ); // retur...

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iforce2d by Associate III
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  • 8 replies
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Resolved! how to interface eMMC memories using STM32f4xx ??

good afternoon.I was gonna drive an eMMC flash memory ( something like https://www.samsung.com/semiconductor/estorage/emmc/KLM8G1GEND-B031/ ) with my STM32f407IGT6.I don't know if I can access it through the SDIO peripheral or not. it is mentioned in...

Sfarb.1 by Associate II
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How to determine CPU load stm32h743?

Hi.I need to estimate the cpu load and output the data as a percentage to a variable ram and to an LED. I use stm 32h 743. The microcontroller works without sleep. It is advisable to make accounting and interruptions. Can you suggest a solution?

F103: User Flash program runs happily despite BOOT0=1

I would assume it should start the system bootloader. Instead, my app which is blinking a heartbeat runs happily.When I put also BOOT1=1, system should boot from SRAM and because nothing's there, the LED should remain off. Which it does.So why does m...

Peta_rj by Associate II
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