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

Resolved! I2C_DR register wont be cleared

I'm using stm32f103c8 and PCA9685 devices. I'm trying to send data to PCA9685 via I2C bus. I send data using I2C_DR register. But when i write a data to I2C_DR register it sticks to it. After the data is send thee I2C_DR register should be cleared bu...

Clyde_Xander_0-1698781436153.png

MDF and ADF: input data from RAM

Is it possible to use the awesome MDF and/or ADF on STM32U5 with input data from RAM? I have not found any configuration for BSMX for this. One use case is an high performance external delta-sigma-demodulator (ADC) on SPI with proprietary data format...

FB1 by Associate II
  • 897 Views
  • 2 replies
  • 0 kudos

I2C stopped working after STM32F411CEU6 is reset

Hi, I've been working with my STM32F411CEU6. I connect my STM with BNO055 IMU sensor that use I2C as its communication protocol. Every time I press the reset button, the program should've start from the beginning, but in my case, that doesn't seem to...

WRama.1 by Associate II
  • 1110 Views
  • 4 replies
  • 1 kudos

Resolved! Low Power Run mode (LPR) frequency and power consumption

I have a few questions about how the LPR works.First off, the RM says "Low-power run mode: This mode is achieved when the system clock frequency isreduced below 2 MHz."1. What is meant by system clock here? SYSCLK or core clock (HCLK)? As far as I ca...

AYash.1 by Associate II
  • 1378 Views
  • 3 replies
  • 2 kudos

Resolved! I2C master remain in timeout status.

Hi, I have a problem with I2C communication between two MCU.The MCU that acts as I2C master in its main loop calls the HAL_I2C_Master_Receive function at an interval of approximately 1 second and reads the status of the MCU that acts as I2C slave.Eve...

FMass.1 by Associate III
  • 1576 Views
  • 2 replies
  • 2 kudos