STM32 MCUs Products

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SPI2 not working on STM32F746BG

I am experiencing an issue with SPI communication on the STM32F746BG microcontroller:Current Setup:SPI2 connected to ADCSPI6 connected to EthernetCurrent Behavior:When testing SPI2 (ADC) alone: Works properlyWhen testing SPI6 (Ethernet) alone: Works ...

zin10 by Associate II
  • 163 Views
  • 1 replies
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Resolved! STM32H5 RTC register bug?

HelloI have found a bug that stops updating the RTC_TR register. There is no problem with the RTC clock itself, it is ticking but the content of RTC_TR might in some specific use cases stop updating.I use the latest STM32CubeH5 Firmware Package v1.5....

Imre by Associate III
  • 304 Views
  • 3 replies
  • 0 kudos

USB PD sink EPR availability

Hi, we are developing a USB PD sink device which will operate up to 28V @ 5A.The STM32G431 seems to be ideal for our application, however it seems that there is no official support for EPR within the TCPP software yet and I am unable to set a PDO hig...

cdoel by Associate II
  • 783 Views
  • 6 replies
  • 1 kudos

Resolved! STM32G0B0RET - SFTRSTF not working?

Hi there,ContextI implement a basic code where I check the reset cause flag SFTRSTF (i.e. software reset). If this flag is active, I activate the LED on (LED off otherwise).I read out the reset cause from:uint32_t myResetCause = RCC->CSR; RCC->CSR |=...

Nadreoh by Associate II
  • 150 Views
  • 1 replies
  • 0 kudos

STM32H7S7Z8J6 XSPI1 interface

Hi all,We have a question regarding the external memory interface connected to XSPI1 on the STM32H7S7Z8J6. We use the APS6404L-3SQN-ZR 64Mb external ram. We activated the XSPI interface with the following parameters:We also created the memory partion...

XSPI1 settings.png XSPI1 partition.png
leddel32 by Associate II
  • 171 Views
  • 1 replies
  • 0 kudos

Resolved! RTC LSE not working on power off with Vbat

I'm using the stm23F103C8 and I would use the RTC internal cloak/calendar. The program is working fine and I have used the LSE osc (32KHz..) as clock source. I have connected a 3V battery to the VBAT pin. My problem is that the switching off the main...

OldSTMan by Associate II
  • 1739 Views
  • 10 replies
  • 1 kudos

Resolved! STM32H743VG Pin PC2_C and PC3_C

Hello folks!The STM32H743VC Processor has two pins, that have a "_C" at the end of the name:Pin 17: "PC2_C" and Pin 18: "PC3_C" When I want to know what the C means, the Datasheet  says: refer to the reference manual.DS12110 Rev 10 - page 67 - Pin De...

a.png
CBerg by Senior II
  • 449 Views
  • 6 replies
  • 4 kudos