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! LSERDY is not ready when boot after power off in VBAT mode.

I had use VBat with external low frequency OSC for RTC which it's can run fine even reset has occurred. But it's has problem when it was boot from power off with VBat. it's going to TimeOut error while checking LSE state in RCC initial./* Check the L...

Tinnagit by Senior II
  • 3707 Views
  • 7 replies
  • 0 kudos

stm32f407 bootloader using usart

Hi, I am currently working on Stm32F407 Microcontroller and I have need a bootloader code for USART. So kindly I am requesting you to share the code as soon as possible. I have completed my project, but because of bootloader I am not able to finalize...

ssah.1 by Associate
  • 3868 Views
  • 5 replies
  • 0 kudos

Detecting BLE Module disconnection

Hi, I am currently working with an STM32L452 as the master MCU, responsible for controlling a BlueNRG M2SP SoC, which is flashed with DTM_spi.hex.During the course of conducting EMC tests on my device, I encountered an issue with ESD immunity testing...

MAndr.7 by Associate II
  • 768 Views
  • 0 replies
  • 0 kudos

STM32 Encoder limits

I`m using an encoder on STM32G4 series to set speed of the pump motor. I have values between 0 and 100. I set autoreload value as 200. I`m looking for the solution to avoid counter autoreload. I mean, when counter goes to 200 - it stays 200 instead o...

STM32F4 ADC multiple channel read using Interrupt WITHOUT DMA

I want to scan 14 channels of adc1 in scan mode using interrupt. I need it to be with interrupt not DMA and I know how to use DMA so please don't tell use DMA! :DThe problem is that HAL_ADC_ConvCpltCallback runs only once! I will attach my code here....

FNabi.1 by Associate II
  • 9226 Views
  • 16 replies
  • 1 kudos

Resolved! STM32G4: First ADC samples are not correct

Summary: I am sampling the internal voltage reference 5 times using DMA with the ADC set to continuous mode with LL_DMA_LIMITED. I know about the errata that says to ignore the first ADC value, but the other 4 values only become consistent if I use a...