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...


How does watermark for FDCAN work? - STM32H7

Thats a question that has bothered me for a while. When receiving FDCAN messages, I can specify a watermark on how many bytes the interrupt triggers.How exactly does it work?If I have a message of 8 bytes and I set the watermark to 1 byte, does the i...

Yoschii97 by Associate III
  • 1 replies
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Timer synchronization offset STM32G431RB

I am trying to configure two timers (TIM3 & TIM4) to start at the same time, following the procedure in RM0440 pg. 1304. However, when I scope the output pins of my timers, there is a ~25us delay between the edges of the pulses. Is there any way to e...

IBeck.1 by Associate
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Changing EXTINT Trigger Type after Init

Hi All,I'm using the following code to set up 4 external triggers and this all works well. What I'd like to do is to be able to change the trigger type of any of the EXTINT at some point in the program. I've tried a couple of things which only resu...

PSpei by Associate II
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Advice on STM32F103 GPIO port sharing

First, the "atomic" port ODR issue when more than one function or task may use the same GPIO port. Is the best thing to do ALWAYS to use BRR and/or BSRR to change the ODR values? From what I've read we need to be wary of an interrupt or other task ch...