STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

QUADSPI timings to read, write, erase flash IC

Hello,I've a MT25QL128 IC interfaced with STM32F767 controller on QUADSPI. there is external crystal of 8MHz. I want to check timings req for read, write and erase the flash IC, so that I can write some data into flash. I've referred application note...

AShel.1 by Associate III
  • 1105 Views
  • 6 replies
  • 0 kudos

Resolved! Overcoming SPI speed limitation on H743- inspiration needed

I'm setting the SPI input clock for the port I'm using at 50MHz to allow SPI speeds up to 25MHz for use with an SD card under SPI. However, this gives a minimum speed of 50MHz/256 = 195KHz and this is too fast for initialising some SD cards. I need t...

PMath.4 by Senior III
  • 1016 Views
  • 4 replies
  • 0 kudos

Flash Sector Resets After Reading for No Apparent Reason

I am writing an application and bootloader to STM32H7.I append some data to the end of the application. My bootloader needs to be able to read this appended data.When my bootloader first writes the application via (erase->write to memory).When the sy...

AAgar.2 by Associate III
  • 891 Views
  • 2 replies
  • 0 kudos

DMA adds to the time delay of counters

Hello guys I just want to ask why adding a callback is causing additional time delay to counters. In my case I created a periodic pulse using the PeriodElapsedCallback which is in interrupt mode. I toggle the output every 300ms and this is working ...

RSy.1 by Associate III
  • 1018 Views
  • 4 replies
  • 0 kudos