STM32 MCUs Products

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Resolved! HSI vs HSE for CAN

Hi,On an Stm32f4 based board, we have the external crystal (8MHZ) mounted. The Firmware however uses HSI clock. Does the HSI drift have an impact on CAN communication with another device over a long period of time(say weeks)? Is it recommended to use...

krishr by Associate III
  • 747 Views
  • 2 replies
  • 1 kudos

Resolved! CAN1 loopback does not work on STM32F427

Hello everyone,I have recently been trying to get the CAN1 bus working on the STM32F427. So far, however, it has not worked in either loopback or normal mode. For the normal mode I had a CANCaseXL Analyzer available. The problem, however, is that not...

Louis00 by Associate
  • 1116 Views
  • 3 replies
  • 3 kudos

BAUD RATE CALCULATION FOR USART IN STM32

PLEASE EXPLAIN WHY 104.167 IS CONVERTED TO 104.1875 AND HOW ITS ENCODED AS 0X683MY UNDERSTANDING FOR ENCODING IS 104 IS CONVERTED TO HEX AS MANTISSA PART AS DECIMAL TO HEX AND O.1875 IS CONVERTED SEPARATELY FOR FRACTION PART.IF I USE FCLK/BAUDRATE I....

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MMoba.1 by Associate
  • 13379 Views
  • 12 replies
  • 8 kudos

STM32U585 GPDMA with DCMI error

Hello,I am developing project where I need to do some image processing on BW image. All was great, but I started having problems with DMA (maybe I always had, don't recall)Idea is that I simply load data to internal SRAM with DMA, and when I get TC, ...

Linas L by Senior II
  • 704 Views
  • 2 replies
  • 0 kudos

USBPD with TCPP Package

Hi,I´m using the TCPP package (inside CubeMX). For my application I also need an ADC channel on the same ADC1 as used by TCPP to measure the Bus voltage. But it seems, that I don´t get any result in my application (configured as DMA). Investigating t...

AWack by Associate III
  • 917 Views
  • 3 replies
  • 1 kudos

STM32G030K8 eeprom emulation

Hi everybody,first an apologies for my poor English.I'm using STM32G030K8 in my project and I want to use eeprom emulation to save some parameters. I used the following code, however It didn't work. I spend a lot of time but I can find the problem. v...

Jimi by Associate II
  • 1411 Views
  • 6 replies
  • 1 kudos

STM32 Open Bootloader USB I/Fbug

In attempting to figure out how to stay in the bootloader loop while exchanging packets with the USB DFU tool I came across as what looks like an unintentionally undeleted line of code.Here is the code:static void OPENBL_USART_Go(void) { uint32_t a...