STM32 MCUs Products

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SPI DMA cannot send multiply bytes

Hi, I'm using STM32G431 to drive my SPI screen. Due to the high cpu load, i decided to change the IT sending mode to DMA. After putting a little changes on code, it doesn't work any more, and i have confirmed it will work again once get it back to IT...

Resolved! Voltage withstand of MCU pins

Hi,Master:platform: STM32G070CBphenomenon:When the MCU is empty (without any program), connect an external pull-up resistor 10K to the adjustable voltage source on the PA4 pin, adjust the voltage in the range of 4~18V, and find that the maximum clamp...

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Lyu.1 by Associate III
  • 1367 Views
  • 8 replies
  • 0 kudos

STM32F1 SPI CRC error flag not cleared

Hi,(Sorry, I'm not sure where best to post this)After digging into issues with SPI hardware CRC on an STM32F103, it seems like the SPI HAL functions are not clearing the CRC flag before starting a new SPI transaction. I think they should be calling _...

sb616 by Associate
  • 1248 Views
  • 1 replies
  • 0 kudos

Resolved! FDCAN on STM32G0 Filter setup

Hello, is there any simple example for (STM32G0B1CBT6) or similar where I can simply filter int genration for eg. only for 0x505 id in standart mode. I tested many samples and I believe that there must be some bug in IDE. This is    static void MX_FD...

JD3 by Associate II
  • 1417 Views
  • 8 replies
  • 1 kudos

SPI MISO "broken" after a while

Hello,I have a Nucleo-F439ZI as SPI master connected to four Nucleo-F030R8 SPI slaves.Initially, the SPI communication was working perfectly fine. But after a while, the master received only zeros on MISO line even though, the slaves where sending da...

_Daniel_ by Associate II
  • 2573 Views
  • 18 replies
  • 8 kudos

STM32F405RGT6 USB DFU

Hi, I recently designed a custom stm32F405RGT6 board. However, I was unable to use the DFU mode.From what I understand, bootloader comes with DFU enabled. However, when I used stm32cubeprogrammer, it kept mentioning "DFU not detected". This is my sch...

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Yeo by Associate
  • 1170 Views
  • 2 replies
  • 1 kudos

Resolved! Replacement for STM32H753ZI

Hi, I am looking for the STM32H series part with more GPIOs and Timers than STM32H753ZI. Can you please suggest me some of the options in H series?Below is my requirement GPIOSPII2CUARTTimerCANInternal ADC Channel6052216217

DJ7 by Associate
  • 743 Views
  • 3 replies
  • 2 kudos