STM32 MCUs Products

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STM32U545 Execution Speed Slower Than Expected

Software Environment:Windows platformConfigured using STM32CubeMXCompiled with STM32CubeIDEHardware Platform:NUCLEO-U545RE-QMCU: STM32U545 (Cortex-M33, ARMv8-M)Test Objective:We initially noticed slow SPI performance (CS low to CS high) and decided t...

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DMA issue stop1

For my project I am using the LPUART on an STM32U545 and 585, currently I am using the normal GPDMA and this works like a charm in normal run mode. However I want to be in STOP1 and receive UART communication. As per the reference manual the GPDMA is...

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mve by Associate
  • 155 Views
  • 1 replies
  • 2 kudos

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
  • 3022 Views
  • 13 replies
  • 0 kudos

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...

HMüll.4 by Associate III
  • 187 Views
  • 5 replies
  • 1 kudos

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
  • 166 Views
  • 4 replies
  • 3 kudos