STM32 MCUs Boards and hardware tools

Ask questions and find answers on STM32 hardware set-ups, including schematic-related challenges, debugging probes, power configurations, and more.

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Resolved! Hello. I am using in my project STM32F730V8T6 with external resonator (HSE) 16.000 MHZ (XRCHJ16M000F1QB1P0). When outputting the frequency to external ports, I will experience a spontaneous frequency change (16.1000-16.1080 kHz).

Before that I used STM32F030R8T6, there was no such problem. Tell me where I could be wrong?I am attaching screenshots of the organization of power supply and settings of the CubeMX

Resolved! External SMPS VDD12 pin supply required?

Hi, I have to use STM32L562CEU6P on my project.This uP has two VDD12 pin for external SMPS.My question is simple, this SMPS supply is required or can I left this pins floating?I don't need this feature and manual is not very clear.Thanks in advance.

MFail.11 by Associate II
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Resolved! What is the pin for the user LED on UM2516?

Hello,I am using an UM2516 (B-G431B-ESC1 Discovery kit) eval board with the STM32G431 microcontroller.In the documentation is written:"2 user LEDs: 1 green LED for 3.3 V level, and 1 red LED configurable by the user"I want to use the red LED as visua...

Hs.2 by Associate
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