STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


STM32F103 and Encoder Mode

Dear communityI develop a 'robot" with odometrie.Each geared DC motor have a rotary magnetic encoder for speed regulation.My question is about avoid count overload.I use a timer for read encoder count. Each interrupt, i print the value.My aim is avoi...

jlecl.1 by Associate III
  • 1 replies
  • 0 kudos

SDMMC1 get stuck in SD_SendSDStatus

Hi,I am implementing micro-sd card with STM32H573RI using SDMMC1 interface. I am using HSE clock with input frequency 25MHz and the system clock is running at 250 MHz. SDMMC1 clock mux is sourced by PLL1Q(25MHz).All the SD card initial commands in th...

PB S.1 by Associate II
  • 3 replies
  • 0 kudos

Resolved! Writing data in flash STM32F103

Hi amazing community. I would like to write some data in the flash memory of the following mcu STM32F103I know there are some dedicated pages for such purpose.How can I guarantee or understand that the future code that i will develop and it will be s...

SGasp.1 by Senior
  • 3 replies
  • 2 kudos

Resolved! slave spi on stm32f4 receives incorrect data

I have an jetson xavier driving STM32F407G-DISC1 on SPI1 default pins : PA4/5/6/7 .The SPI_FLAG_RXNE flag behaviour is very strange, resulting in wrong values being received.Config used:/* SPI1 parameter configuration*/hspi1.Instance =         SPI1;h...

spi_expected.png spi_actual.png
deep by Associate II
  • 16 replies
  • 4 kudos

STM32H750 LVGL Display Issues

Hi Support    I'm running a LVGL demo,set the framebuffer address  at extern SDRAM  address 0xC0000000    "pLayerCfg.FBStartAdress = ((uint32_t)0xC0000000);"     lvgl need  a work mem for dynamically allocated data     when assign the  work mem on IR...

OK.png Failed.jpg

Resolved! SDRAM 32bit bus can't be selected for STM32H735IGT6?

Hello,I'm trying to connect SDRAM to STM32 for the first time and I'm having trouble understanding the specs.In the datasheet, it seems the FMC peripheral can not support 32bit memory. Is it right? and could you recommend 64Mbit SDRAM for STM32H735IG...

JKim.51 by Associate II
  • 3 replies
  • 2 kudos

Continuous data transfer via SPI.

I am using the code from this post to connect STM32F407  to ili9341 display TFT_DC_SET(); Enables recording of data to the display.The speed for transferring data to the display is very important, so I need continuous data transfer. The SPI_SR_BSY bi...

MMust.5 by Senior II
  • 1 replies
  • 1 kudos