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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Forum Posts

Resolved! Achieve max timer clock on STM32H7

Hello,I am trying to achieve the maximum timer clock on the STM32H723ZG for input capturing. In the data sheet is written under Table 4: "The maximum timer clock is up to 550 MHz depending on theTIMPRE bit in the RCC_CFGR register and D2PRE1/2 bits i...

icethi_0-1707847862612.png
icethi by Associate II
  • 7621 Views
  • 10 replies
  • 3 kudos

How to make B-L072Z-LRWAN1 work at 4.2MHz

B-L072Z-LRWAN1" and "STM32CubeExpansion LRWAN V2.1.0" are used to transmit sensor data over LoRaWAN. The default CPU clock is 32 MHz.I want to set the CPU clock to 4.2 MHz to save power. I set up SystemClock_Config() as follows, but when I use it in ...

hirot by Associate
  • 1568 Views
  • 1 replies
  • 0 kudos

Resolved! Technical document organization

I am trying to find schematic diagram for Nucleo board to know, where button is connected but there are many unnecessary files but where is Schematic? This is so annoying when press Ctrl+V and your text inserted in *** block in this form, how can I i...

OlegAjax by Associate II
  • 2554 Views
  • 3 replies
  • 2 kudos

STM32H743XIH6 Crystal Frequency

Hi ST Support Team,I am Using STM32H743XIH6 in one of the project.Having Query related to crystal frequency.In datasheet frequency characteristics is provided for oscillator input.In my Design and STM32H743XIH6 Evaluation Board crystal is implemented...

chand_p by Associate II
  • 15370 Views
  • 14 replies
  • 0 kudos
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