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...


STM32H7 pin related query

Hi,I am using STM32H743ZIT6 in my design but due to the availability issue I am planning to use STM32H723ZGT6 as it is a P2P compatible.I have the below queries related to the UART and SPI:For UART :Can RS485 be used with USART ?For debug UART3 in 72...

Sandeep1 by Associate II
  • 5 replies
  • 0 kudos

Resolved! Define ISR as weak using CubeMX LL Drivers

Hello,For efficiency reason I need to use only the LL, so I enable the LL flag in the CUBEMX configuration.I would like to have the ISR defined as __weak, so that I can write my own version without replacing manually the ISR.I know that using HAL dri...


I want to read and write to w25q128jv with stm32l5 octo spi insted of quad spi.. is there anybody help me. ı could not write correctly.. and ı could not erase. correctly. first problem is when ı was write whiel start addres 0 my code write start to t...

Snm.1 by Associate III
  • 10 replies
  • 4 kudos

Touch GFX Two Layers frame buffer update issue

Hi,In TouchGFXGeneratedHAL.CPP u are using the HAL_LTDC_LineEventCallback. the issue is i use the two layers.Layer_1 for live video from camera and layer_2 for GUI. every time i generate code i must add this code below. the added code in bold,italic....

MSale.1 by Senior
  • 0 replies
  • 0 kudos

UART COM issue with f030r8

Hello,I am trying to use UART HAL with the stm32-f030r8 connected to the PC through a USB-TTL module.The configuration is given below :- The F030R8 has JP1 OFF, JP6 ON, JP5 on E5V.- The USB-TTL is :- The code is :/* Includes -------------------------...

wire.PNG usb-ttl.jpg
user-stm by Associate II
  • 12 replies
  • 0 kudos

Resolved! Boot0 Pin issue in STM32L051

What would happen to the microcontroller if during running normally then suddenly the boot_0 pin switched to high?in my case and due some voltage spike the boot_0 pin state switched to high for very short time nano seconds. most of the time its ok bu...

MSale.1 by Senior
  • 2 replies
  • 0 kudos

Resolved! QSPI Initialization AutoPolling timeout without BSP

Working with the STM32H747i-Eval board with a touchGFX application. Need the QSPI for assets and not wanting to use the BSP due to wanting to have more control over clock speeds and pinout configuration.I'm in need of some more experienced advice whe...