STM32 MCUs Products

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Resolved! STM32F303 ADC Voltage Regulator Function ADVREG

Hi, I'm searching for more details on  STM32F303 ADC Voltage Regulator Function ADVREG. According AN4195 it needs to be enabled before ADC calibration. ADC Regulator is by default disabled. But i cannot see any big difference on ADC conversion result...

KaHu by Associate
  • 277 Views
  • 2 replies
  • 0 kudos

STM32 with small flash + HAL + DEBUG + no Optimization...

... leads to "funny" results:STM32L011 with 16 kB of flash, HAL inits and LED toggle in main, DEBUG, no optimization:93% of flash usedI had not expected it to be that bad! :grinning_face_with_sweat:Okay, I will probably not use too much HAL, will use...

STM32L011_HAL_DEBUG_noOpt.png
LCE by Principal II
  • 5381 Views
  • 25 replies
  • 10 kudos

Resolved! Uart interrupt & debug problem

Hello.First of all, thank you for your help.I have a question about UART & debug.When I stop transmitting from the PC while communicating with the PC and then debug, there is no problem.When I stop debugging and resume while transmitting from the PC,...

bsPark_0-1752999455174.png bsPark_4-1752999663807.png bsPark_2-1752999584393.png bsPark_1-1752999496252.png
bsPark by Associate
  • 285 Views
  • 3 replies
  • 1 kudos

STM32U575 OTG_FS host suspend and remote wakeup failure

I am trying to implement an application with USB CDC-ECM host capabilities. As a bring up setup, I configured two STM32 boards:1) STM32U5G9J-DK2 board, configured as a CDC-ECM device, using USBX.2) STM32U575I-EV, configured as a CDC-ECM host, using U...

talk by Associate II
  • 588 Views
  • 6 replies
  • 2 kudos

STM32H725 TIM5 issue

I am using one of the 32 bit timers to measure intervals for fault protection on a HV pulse modulator.  I have an interrupt on EXTI that captures both leading and trailing edges of the command pulse.   In the service routine, I simply store the lates...

JCase.1 by Associate III
  • 200 Views
  • 1 replies
  • 0 kudos

STM32H735 wake from standby

My simple program to test wake from standby with PC13/Wakeup_pin4 is working.  I use the pushbutton on this pin as an EXTI and had to add the GPIO_DeInit before setting the pin as an input without EXTI.The same code does not work in my larger program...

Ian_CP by Associate II
  • 303 Views
  • 5 replies
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Resolved! Any STM32 with Split Power SPI Domains (1.8V & 3.3V IOs) ?

I’m working on a design where I need to communicate with two SPI devices that operate at different logic levels:1) A sensor running at 1.8v logic (need SPI + 2 other lines, all at 1.8v) 2) Everything else on my board, preferably running at 3.3v, I wi...

sc123 by Associate
  • 308 Views
  • 4 replies
  • 1 kudos

STM32N6570-DK with STEVAL-66GYMAI Flickering problem

Hello,   I am using this example: https://github.com/STMicroelectronics/x-cube-n6-ai-h264-usb-uvc HW: STM32N6570-DK + STEVAL-66GYMAI  I have this strange behavior only when using the VD66GY. If no motion on the video, i barely see the flickering. How...

Screenshot from 2025-07-18 00-43-28.png Screenshot from 2025-07-17 23-59-52.png
FB__1 by Associate III
  • 278 Views
  • 1 replies
  • 0 kudos