STM32 MCUs Products

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NUCLEO-H743ZI2, Unknown USB Device

 Hello,I'm attempting to set up the CN13 USB port as a Virtual COM Port (VCP) for transferring data to LabVIEW. Unfortunately, I'm encountering an error message that reads "Unknown USB Device (Device Descriptor Request Failed)." I've already installe...

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FMC: How to delay chip select?

I should combine STM32F479 with PROFIBUS-DP ASIC SCP4-2 The chip is aged. And requires delay of at least 30ns (by 3v3) between address and cs. Our previous design was based on SAM4S and their CPUs are offerring register to program such delays. In STM...

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AlexKern by Associate II
  • 1988 Views
  • 4 replies
  • 1 kudos

STM32G4 Reset Issue

I am having some strange power up (I think) issue with my STM32G431 controller.  Sometimes it runs for a second or two, sometimes nothing.  It will usually not connect via the SWDIO pins so it is difficult to step through in debug to see where the pr...

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Resolved! UART Receive code is not working.

I am using STM32F103C8 MCU and Trying to communicate with Quectel EC200U-CN 4G module and i am not getting data through UART2 Receive pin. Please go through my code and suggest mevoid USART2_IRQHandler(void){ if ((USART2->SR & USART_SR_RXNE) != RESE...

Siva Ram by Associate II
  • 1790 Views
  • 5 replies
  • 1 kudos

PowerSTEP01 example code and programmer user guide

Hi, i m trying to program PowerStep01 with SPI on STM32H7, can anyone kindly advise where to locate sample code and tutoral ? or programmer user guide?  A serach online yield this but error on page and file not found. https://my.st.com/content/my_st_...

Resolved! USB on-the-go high-speed (OTG_HS) - core setup confusion

In RM0456 section 73.4.3 OTG_HS core (p.3279) I found the following statement:"The OTG_HS receives the 60 MHz clock from the reset and clock controller (RCC). This is typically generated in the PLL associated with the HS PHY and enabled in the RCC. T...

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TDJ by Lead
  • 12127 Views
  • 5 replies
  • 2 kudos

What lead times and deliveries are you seeing?

Sorry to bring up the elephant in the room. I just reviewed the ST Q1 quarterly results from April and was astonished to not find anything related to lead times, shortages, or allocations.My company is in the Musical Instrument space. We work with a ...

AHigg by Associate II
  • 2207 Views
  • 7 replies
  • 0 kudos