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

Timer Trigger DMA Tx transfer for SPI2

Hi there,Iam using STM32F407ZGT6 controller, and we're interfacing DAC (MCP4902) with SPI2 and SPI2 is connected to DMA1. I need to transfer data in a circular mode using DMA1 to DAC using SPI, i have gone through the reference manual only TIM1 and T...

Debug protocols comparison and choice

Hi,when it comes to programming and debugging, what is the difference between the 4 types (see screenshot below)?Which one is best and how do you decide which one to use?Please don't just say they all work the same pick one... :) I am asking for the ...

Ricko_0-1720395325957.png
Ricko by Senior II
  • 912 Views
  • 9 replies
  • 5 kudos

Resolved! Choosing proper MCU for HTTPS webserver

Hello,recently I was testing HTTP webserver project on a NUCLEO-F429ZI board and it works ok. I have created a driver for LAN9303 (dual port PHY) tested it using shield based on this https://github.com/ATM-HSW/MbedOS-with-LAN9303After it worked, I su...

Faust by Associate II
  • 831 Views
  • 4 replies
  • 0 kudos

STM32L053R8T6 Stop Mode 2

Hello, I am working with my custom PCB with STM32L053R8T6. My code works just fine when I run it in debug without any stop mode (deep sleep). It enters to the RTC and button interrupts perfectly. However, when I want to make the MCU enter to sleep mo...

STM32U535 hardware CRC peripheral modbus

I want to use crc hardware peripheral in STM32U535 for checking some modbus and I copied a code from this community thanks to @Tesla DeLorean . But in my case this code seems to work only for a buffer lenght multiple of four bytes. I can't found my e...

GDC by Associate II
  • 325 Views
  • 2 replies
  • 0 kudos

Entering EPR mode failed - USBPD

Hi team,  We have our own customized USBPD board (STM32L562CET6) which support both SPR(100W) and EPR(140W). SPR is working great, now we want to work on 140W using EPR mode. So that initially we have tried to enter EPR mode by following method #defi...

AVND_0-1719926148663.png AVND_1-1719926178947.png
AVND by Associate II
  • 708 Views
  • 4 replies
  • 0 kudos

Resolved! ADC and DMA: DMA not updated after first read

Below is my main.c file. I'm wanting to scan analog pins PA0 and PA1. They work individually when not using DMA, but when I try to use DMA, the analog values are read once and then never updated after that. Any ideas?  /* USER CODE BEGIN Header */ /*...

jwade19 by Associate II
  • 2614 Views
  • 10 replies
  • 0 kudos

Interfacing ADT7420 with STM32F411 MCU

i'm interfacing ADT7420 with STM32F411. As per datasheet of ADT7420 the i2c specifications are as follows: Table 2. SCL Frequency 0 - 400 kHz SCL High Pulse Width, tHIGH 0.6 μs SCL Low Pulse Width, tLOW 1.3 μs   Therefore as per my understanding the ...

NSing.5 by Senior
  • 565 Views
  • 3 replies
  • 0 kudos