STM32 MCUs Products

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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
  • 1271 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 III
  • 318 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
  • 340 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
  • 3104 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
  • 1268 Views
  • 6 replies
  • 4 kudos

I3C Ctrl Transmit question

Hello,I am working with the STM32H503CBT6 and using the I3C Transmit_IT in Controller mode for communication.However, I encountered a problem, when I sent more than 260+ bytes, the data sent by the logic analyzer to capture, found that the captured d...

hancheng by Associate
  • 408 Views
  • 0 replies
  • 0 kudos

STM32N657X0 with self powered USB-C port

I am designing an STM32N657X0 based custom PCB which has a USB Type C port. The USB device would be self- powered, i.e, it will not be powered from VBUS. The intended use of this port is to plug the PCB to a host PC, similar to USB flash drive for da...