STM32 MCUs Products

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STM32F427 is sometimes running slow after boot

I have an issue with STM32F427 where after doing reset for MCU in some cases the MCU is running at about half the speed after reset. All peripheral clock seem to be running at normal speed, but the MCU is just running at half the speed. All register ...

Resolved! Starting a Timer via a GPIO Pin at a changing edge and return the value into the DMA via another GPIO and changing edge

Hey,I'm using a Nucleo-F446RE and the STM32 Cube IDE.I want to start the Timer3 with a changing Edge at a GPIO Pin. Then the Timer should count till another GPIO has a changing Edge aswell. Now the timer should be disabled and the counter should be s...

MHerz.1 by Associate II
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  • 5 replies
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How to trace the data in SWV using STM32F303RE Nucleo board?

Actually, I could able to debug the STM32F303RE Nucleo board and could see the value of the variables by keeping the breakpoint while debugging.Instead of keeping the breakpoint, I want to trace the value of the variable using SWV and also I want to ...

PDeva.1 by Associate
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  • 1 replies
  • 1 kudos

STM32H745 - SPI doesn't transmit any data. - SOLVED

SOLVED - look at edit below!I am trying to implement SPI on nucleoH745ZI-Q without HAL or any kind of driver, I wrote my own registers pointers and functions like digitalWrite, pinMode or printf. I set up RCC, GPIO and SPI registers (all set, checked...

0690X00000BvSgSQAV.jpg 0690X00000BvTBpQAN.jpg

Resolved! DMIE typo (should be DMEIE)

In RM0430 Rev 8, 9.3.19 DMA "Error management":an interrupt is generated if the corresponding interrupt enable bit (TEIE, FEIE, DMIE) in the DMA_SxCR or DMA_SxFCR register is set.It should say "DMEIE", not "DMIE"

Miles1 by Associate III
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  • 1 replies
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Cannot copy bin data to Nucleo-F072RB.

Hi We have bought a Nucleo-F072RB board and tried to set up it following STSW-STUSB001 user manual.Currently my process is till "Drag and drop of the configuration file (NUCLEO_F072RB_STUSB_NVM_config_1.6.bin) to STM32 Nucleo drive".Situation is as ...

KHiga.1 by Associate
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  • 1 replies
  • 0 kudos