STM32 MCUs Products

ADC of STM32L4R5ZI controller not able to read below 60mV, Vref = 2.8V and ADC resolution is 12bit

Below 60mV controller unable to produce ADC output

HI I'm using stm32f303cbt6, I'm facing issue with RTC . RTC module configured with 24hpurs format Suddenly rtc time (hours) changes to 38hour or 26hours. presently using Hal driver API's with atollic.

STM32L433 Wakeup from Stop only on Wakeup Pin 2

In my application i desire to use the STOP2 Mode in a certain condition to save power. Currently i want to implement a wakeup through a "HIGH" on Wakeup Pin 2 of the MCU. Later i want to implement also a periodic wakeup per RTC. But for now, i want o...

Generate 1KHz sawtooth waveform with amplitude changeable from 1.5V to 3.0V

Dear Sir,I used the STM32L052R8 CPU with 32MHz to try to generate a "1KHz sawtooth waveform with amplitude changeable from 1.5V to 3.0V" with 『HAL_DACEx_TriangleWaveGenerate(&hdac, DAC_CHANNEL_1, DAC_TRIANGLEAMPLITUDE_4095);�? function. But it fail. ...

Using .extSettings file

In the help document concerning .extSettings file the information is unclear.As I read it the Groups section is supposed to create/add directories and files.It does not. I have generated the project for SystemWorkbench and EWarm. I downloaded a test ...

How to use the MDMA ond the Stm32H743zi?

Hello,I've configured the stm32h743 to write on a paticular adress without incrementing it and was also successful in it.The problem is no matter how many times i call HAL_SRAM_Read_DMA(...) it will not start a new transfer. In the trainings Manual t...

Why is my current comsumption much higher in standby than what is mentionned in the Datasheets

Hello guys,I've been trying to enter the Standby Mode using the Exemples from st and i got it work. But in Standby i'm still around 6mA. This is much more than the expected 5 µA! Maybe someone knows what may cause this Behaviour?thank you for your he...

UART corrupted after wake from stop mode

Hello, all!I'm using STM32F100RBT.I have the following code:printf("hello\n"); while(1) { HAL_PWR_EnterSTOPMode(PWR_MAINREGULATOR_ON, PWR_STOPENTRY_WFI); HAL_Delay(100); printf("***\n"); HAL_Delay(100); }The first print before the loop is...