STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Resolved! Time Drift Between 2 Identical Black Pill boards

STM32F401 (Blackpill) – 2.4s Drift in 30 Minutes Between Two Identical Boards Using TIM2 (HSI Clock)I am working on time synchronization between two identical Blackpill STM32F401CCU6 boards.Both boards:Use internal HSI oscillatorSame firmwareSame clo...

5d2c9cdb-8dc7-422e-b9cc-81b2d7b0c9cd.jpg 512df020-aea1-461d-8c5f-6a1cc51f3b32.jpg 1f60dc85-8974-4544-8f67-6971d84baa8d.jpg
TTT by Associate II
  • 219 Views
  • 14 replies
  • 11 kudos

Resolved! STM32H7R3 power design: VDDXSPI, VREF+/-, VDDA ?

HiDo QUAD SPI require power on the VDDXSPI power pins?ADCs, what is the voltage reference buffer, VREF+ and VREF- , voltages? Can the internal reference buffer be used if VDDA is 3.3V and I want full scale 0-3.3V ADC conversion range?krØystein

oysteikr by Associate II
  • 66 Views
  • 2 replies
  • 0 kudos

Resolved! STM32G0B0: RM0454 link out-of-date ?

The Reference Manual (RM0454) of the STM32G0B0 points to an old 2020 revision while on the website it shows 2025.I believe this is a mistake since there should be a newer revision of this RM with the fixed Flash section (STM32G0B0CE) unless ST only f...

massimogPVS_0-1771323564687.png

Resolved! STM32 USB Host HUB support with an MSC device

Here comes another query about the status of a HUB device for the USB Host library. I have been working with the driver from herehttps://github.com/moribr/STM32F4HUB/blob/master/Project/Middlewares/ST/STM32_USB_Host_Library/Class/HUB/usbh_hub.cand ha...

PCevo.1 by Associate III
  • 2088 Views
  • 5 replies
  • 1 kudos

Resolved! Weird PWM behaviour for pin PB4 on f103c8t6

Hello. I have a custom board with original f103c8t6 (sampled from eStore). PWM for pin PB4 is not functional, but bit banging with gpio write works. If tim3 respective channel is configured as pwm output, the output is stuck at VCC.  I configured the...