STM32 MCUs products

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STM32H745 - How to stop or reset CM4 from CM7 core

I have built a bootloader at the begin of CM7 flash memory. I want to update both CM7 and CM4 flash memory. How is it possible to stop CM4 execution before updating the flash memory and reset the CM4 core after update? All must be controlled only fr...

Resolved! STM32f103 Eprom emulation

Hi amazing community.I am working with the following mcu STm32F103Since in the design of our board we didn't insert any real eeprom for saving some data we decided to use a emulation tecnique   provided from ST Here below it is reported the header fi...

SGasp.1 by Senior
  • 9 replies
  • 4 kudos

STM32H747L-Disco with COM35H3P70ULC Display

Hi, i try to get the COM35H3P70ULC Display to work with the STM32H747L-Disco Board using a custom Adapter PCB. The Display is connected using 2 Lane DSI and i tried to configure the DSI Host to communicate with it. I cant get it work or respond to an...

LRees by Associate
  • 0 replies
  • 0 kudos

Dividing Timer

I need advice on setting up a 'primary timer/clock' to toggle a an output pin for 20ms, at a user set frequency of anywhere from 16Millihertz to 16.65Hz ( approx ) with 16 bit resolution. ( user sets value from 0 to 10000 )The primary timer/clock mus...

LMorr.3 by Senior II
  • 4 replies
  • 0 kudos

STM32H745 - Encoder Mode Not Counting

I am trying to interface the STM32H747 with a quadrature encoder-equipped motor to track linear movement. When moving forward, I expect the counter to increment. When moving backwards, I expect the counter to decrement. To do this, I have configured ...

LZ_FS by Associate
  • 0 replies
  • 0 kudos

Resolved! Crypto library rsa signature not matching with openssl

Hi,I would use the STM32 Crypto Library. I have the 4.0.1 version.I just compiled and run the RSA\PKCS1v1.5_SignVerify example on my L4 micro and it is successful. Then, I generated with openssl a new 1024 key pair and signed a custom message. Then I...

lukin by Associate III
  • 5 replies
  • 1 kudos

Resolved! CRC check for received data through UART

Hi,I am sending/receiving data using UART between STM32G4 board and other board. While I am sending the data I am adding the CRC and transmitting it through UART to other board. While receiving how do I check the CRC correct or not.For Eg: From other...