STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

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...

gif-stm32u0.gif

CAN is not initialised when RTC enabled

I am designing the application that uses both CAN interface and RTC. I noticed some weired behaviour that I need to fix somehow. Directly after upload the application starts and CAN working properly. With battery present (there is power on VBAT) if I...

RP.2 by Associate
  • 227 Views
  • 0 replies
  • 0 kudos

Low Level I2C readByte out of sync

Hello,I am trying to implement a low level I2C readbyte function, currently trying to read out register 0x41 (TEMP_H) and 0x42 (TEMP_L) from an MPU9250. The issue is that when I debug print the values, it seems that TEMP_H_Buffer appears to have the ...

0693W000004JMIfQAO.png 0693W000004JMIkQAO.png 0693W000004JMIuQAO.png
SVans.1 by Associate
  • 287 Views
  • 0 replies
  • 0 kudos

Resolved! DMA1_Channel7_IRQHandler doesn't get called

HiI am trying to do a simple USART communication via DMA (LL Drivers). I want to send two chars to my STM32F103 from my PC which are received by DMA. In the DMA RX transfer complete callback I want to send some text string, also via DMA back to the s...

0693W000004JLoLQAW.png
PGroe.2 by Associate III
  • 646 Views
  • 1 replies
  • 0 kudos

use timer to decode pulse/step + direction signal?

STM32 timers can decode quadrature signals.STM32 timers can count external pulses.can STM32 timers do pulse counting AND take counting direction from a second external input?my current solution (on an STM32F303CB/CC, but also F103) is to let the time...

0690X00000AAEraQAH.png

Problem with USART2 of stm32 f446ze

Hi, I am also new to stm32 micro controllers. I am trying to use UART2 of my microcontroller which is not default(It is not connected with the ST-Link, hence no virtual COM PORT), I am using a USB to TTL connector(TX,RX and GND) for this, I am taking...

MAziz.1 by Associate II
  • 492 Views
  • 2 replies
  • 0 kudos

Resolved! Has the application note AN5419 been released yet?

I want to build a system based on the STM32H735ZGT6. The data sheet (page 115) refers to application note AN5419 "Getting started with STM32H723/733, STM32H725/735 and STM32H730 Value Line hardware development". However, I cannot find it.

Charly by Associate
  • 2230 Views
  • 3 replies
  • 0 kudos