STM32 MCUs Products

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Resolved! STM32H735 ADC3_INP16 Issue

The data sheet for the STM32H735 (DS13312) lists "ADC3_INP16" as an additional function for PH5, and this function is also available for selection in both STM32Cube IDE and STM32CubeMX.However, in looking at the STM32H735 reference manual (RM0468) , ...

dsurrett by Associate II
  • 3713 Views
  • 8 replies
  • 0 kudos

Resolved! Running STM32L0538-DISCO sample project

Hello. I have recently purchased STM32L0538-DISCO board and I want to play a bit with the E-paper display. After struggling for a couple of hours trying to find some sample code or projects to run on STM32CubeIDE, I have found somewhat relevant threa...

LPetr1_0-1704273030053.png LPetr1_0-1704274883646.png LPetr1_0-1704275435893.png
LPetr.1 by Senior II
  • 5527 Views
  • 16 replies
  • 1 kudos

Misleading information in STM32 datasheets regarding NRST

All STM32 datasheets seem to have the Figure "Recommended NRST pin protection" copied and pasted. This figure suggests that an external reset circuit consisting of a BUTTON AND CAPACITOR is recommended to "protect the device against parasitic resets"...

mbenkmann by Associate II
  • 2771 Views
  • 2 replies
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Resolved! Turning ON LED on Nucle-G474RE not working when not using HAL

Hi.I am learning how to turn on LED2 of a NUCLEO-G474RE board by using registers (without HAL).I have created a small project which contains:    // This first block works and updates the registers // Start GPIOA Clock (*(uint32_t*)0x4002104C) &= ~(1 ...

RPG by Senior
  • 3502 Views
  • 9 replies
  • 2 kudos

Resolved! STOP mode in STM32F103

I'm looking for the low power function of the STM32F103TB. I have some questions about this function:1. I read the code of the AN2629, there has no interrupt routine code. So when we use the RTC alarm and the PA0 (wake-up pin) to wake up the MCU, whe...

HF.Wang by Associate II
  • 2349 Views
  • 1 replies
  • 0 kudos

HAL_I2C_ErrorCallback occurred randomly in I2C communication

Hi, Currently, we are working with STM32L476JGY6TR MCU. We are facing HAL_I2C_ErrorCallback - 0x00000004 error randomly while communicating with MCU.  We are communicating with the MCU Frequently with particular time intervals. In this scenario, some...

ArunyaS by Associate II
  • 1732 Views
  • 3 replies
  • 0 kudos

Resolved! F411 Nucleo Board ADC Issues

I tried to use ADC in F411 to read two ADC inputs.My hardware is a F411-Nucleo board; my IDE is CubeIDE.The followings are my ADC settings in IDE:                                 I use 2 channels in ADC1 (IN1, IN4)I also use DMA to obtain ADC results...

Setting_1.PNG Setting_2.PNG Setting_3.PNG
HDaji.1 by Senior
  • 1752 Views
  • 3 replies
  • 0 kudos

Resolved! enter/exit STOP mode with one GPIO pin

Hello everybody,I want to use the STM32F042G6U6 MCU with one button on PA6 pin if I press the button it should toggle between STOP mode and run. Is this possible at all?How can I do this? I was able to enter STOP mode or exit from it but I cant toggl...

DMA to BSRR Transfer - single signal error

Hello! I am using the STM32F446RE Nucleo Board and succeeded in sending a signal chain via DMA to the GPIO Bank B, i.e. the BSRR register.  The DMA trigger works very fine. However, one of the 8 signals is missing/not generated/skipped... This is whe...