STM32 MCUs Products

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Forum Posts

memset() execution slower at some addresses

Hello,After some investigation was found that memset has different behavior executed from different places in flash. Data and instruction cache are off! Micro used is stm32h743xi.Function is called with following arguments --> memset(dummy, 0, 64)Its...

DApo.1 by Associate II
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  • 13 replies
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STM32 MCUs: load data to RAM and boot from there?

Hi,I'm aware of the BOOT0 pin which is available on most STM32 MCUs and allows to select the device being booted from Flash.Now my problem is, once shipped to an end user, this flash can't be updated easily. So it would be better to have a more simpl...

Resolved! Looking for MCU

Hello community,We are designing a low-cost pump controller and are looking for an MCU with the following specifications:MCU RequirementsFlash: 512 KBRAM: 128 KBGPIOs: 64 to 84Integrated RTCRTC cell supportNo wireless connectivity neededLowest possib...

parth4 by Associate II
  • 392 Views
  • 4 replies
  • 3 kudos

STM32H7 MDMA With QSPI

Hi, I would like to use the MDMA with the QSPI on an STM32H743 or similar.I need to use the QSPI to interface with several multiplexed LCD displays and I want to use the QSPI in 'indirect' mode to send commands to the displays and DMA the pixel data ...

JF999 by Associate
  • 514 Views
  • 1 replies
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Resolved! Enable FDCAN_IT_ARB_PROTOCOL_ERROR

HelloI use CAN FD and have a functioning communication with 3 participants. Now I want to activate the interrupt that notifies me when the device has lost the arbitration contest. I forward each of the four NVIC interrupts in stm32h7xx_hal_fdcan: voi...

MFrie.7 by Associate III
  • 664 Views
  • 5 replies
  • 0 kudos