STM32 MCUs Products

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STM32F429 IAP not working

Hai, I am using stm32f429igt controller I am trying to use IAP and found one example with stm32f4 cube package. While trying the example the code is not getting uploaded when I tried to upload it still waiting for the file can anyone help me how to s...

AChan.15 by Associate II
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Open-Drain output connected to WKUP pin

Hi,I'm working with an STM32L073RZ on a custom board, using MbedOS 5.12.0 bare metal. The board is a very low power weigh scale that is normally in Standby mode and is awoken by an accelerometer (connected to PC_13), an NFC chip (connected to PA_0). ...

Resolved! STM32F429ZI aborting DMA transfer on USART3 prematurely

On an STM32F429ZI, I'm using USART3_RX to receive information via DMA into a circular buffer. The buffer is 4096 bytes long.If I send 1 or 2 bytes at a time (i.e. with a delay of ~100ms+ between transfers), things work correctly. By "work correctly" ...

TDK by Guru
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Timer synchronization still has offset

Hello,I am trying to synchronize two PWM outputs on an STM32H7: TIM4 channel 2 and TIM8 channel 3N.To do this I am using the HAL synchronization functions, setting TIM4 up as master with "HAL_TIMEx_MasterConfigSynchronization" and TIM8 with "HAL_TIM_...

ST User by Associate III
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Where is the VREFINT_CAL for STM32L072z

Hi everyone ! I read in the datasheet that I need the VREFINT_CAL to calculate my real VDDA but I don't find it in the datasheet. In every other model's datasheet you can find the VREFINT_CAL easily but not in the STM32L0 one. Is someone kno...

YMAIL by Associate II
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ADC accuracy problem

I am sensing the voltage using stm32f103c8 module.using Keil micro--vision 5register level codingcode:#include "stm32f10x.h"       float av,volt; int main(void) { // SEND A CLOCK SOURCE FOR ADC //LcdSend2StringWithDelay(50000,"Start Clock",""); ...

Bud by Associate III
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