STM32 MCUs Products

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Resolved! How to Convert From ISP to CAN

HiI got this problem where I got an MCP2515 that wants an ISP type signal, and then converts it to CAN. I am only familier with the CAN protocol and the HAL library, so is there an easy way to make the STM32 convert the code from CAN to ISP?

Kenno by Associate II
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  • 4 replies
  • 3 kudos

Resolved! H-Series support for external program flash

The STM32 families typically use Quad-SPI for executable external flash, from my research (ref)But the only H-Series options with Quad-SPI are expensive! Are there any alternative methods to executable external program space?   

jreina by Associate III
  • 2253 Views
  • 4 replies
  • 2 kudos

Driving ST7735 with a F4xx discovery board.

hello everyone, I have been trying to display even basic text on my TFT 1.8" Display and am yet to get anything but gibberish. I am using this library to interface with it. https://github.com/afiskon/stm32-st7735   I have followed plenty of tutorials...

what is HAL_OSPI_AutoPolling() ? how to fix it ?

After trying the sample code from STM32Cube_FW_L4_V1.18.0 for octo spi I getting stuck on HAL_OSPI_AutoPolling(hospi, &sConfig, HAL_OSPI_TIMEOUT_DEFAULT_VALUE); it is not working, after reading posts and STM32L4Rxxx and STM32L4Sxxx device errata I fo...

MNapi by Senior III
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  • 28 replies
  • 5 kudos

Waking up from STOP mode using UART

Posted on May 09, 2018 at 22:36I am using STM32L051 mcu. The mcu goes to STOP mode after initialization and only wakes up if there is any incoming byte at USART1. MCU wakes up with START_BIT_DETECTION on USART1 and goes back to sleep after it receiv...

Resolved! Broken device through optoin bytes

Hello, I am currently fiddling around with a STM32G491 in bare metal. I wanted to test the write protection. So I executed following code               FLASH->KEYR = FLASH_KEY1; FLASH->KEYR = FLASH_KEY2; while(FLASH->CR&bit31); // wait for unlock...

machinist by Associate III
  • 2334 Views
  • 3 replies
  • 0 kudos

STM32F7 Ethernet (Without FreeRTOS): Not Working (No Ping)

Greetings! We have custom board based on STM32F745VGT6 having Ethernet peripheral over RMII mode.Previously with the older version of Cube MX and Library our Ethernet was working, after the new update of library there are some major changes in the li...

TSola.1 by Associate II
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  • 2 replies
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address 0x8000188-0x800018F differs based on programming mode

Dear all,I am writing a bootloader and I experienced that the calculated CRC on the binary is different If I load the fw with cube IDE versus cube programmer. I use STM32F405.This happens too if I make the compairement on the bootloader programme too...

difference1.png difference_elf.png
Adam3 by Associate
  • 2036 Views
  • 3 replies
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Noise spike when ADC completes and triggers DMA

On the H743VIT6 I am seeing a strong spike on the VDDA line every time the 32 samples are completed and DMA triggers to copy them to memory.This is causes the samples to have a 1500 Hz signal with 4 harmonics in the data.The board is 4-layer, solid g...

Robmar by Senior III
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  • 2 replies
  • 0 kudos