STM32 MCUs products

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Best way for 2 STM32 MCUs to communicate

Hello,I am considering using 2 STM32F373 in my project.  One uC will be for a control panel, and the second uC will accept commands to produce DAC and PWM output.  What is the best way to have them exchange data?  Should I use SPI?  I see i2c is not ...

LMorr.3 by Senior II
  • 8 replies
  • 1 kudos

Resolved! Facing an issue with power on reset

Hi, I was facing one issue..while running firmware in my device (stm32f4)in the middle suddenly controller got restarted, when I checked that RCC reset status register and I got to know that power on reset ,but I didn't restart my device only , May I...

Resolved! stm32h7 uart i2c GPIO_InitStruct.Pull = GPIO_PULLDOWN;

para aplicar  i2c alternate function open-drain GPIO_InitStruct.Pull = GPIO_PULLDOWN o should be GPIO_PULLUP  (what diferencetween both) and uart alternate function push-pull should be pull-up or pull-down what diferencetween both?

wjian.2 by Associate II
  • 1 replies
  • 0 kudos

Resolved! STM32H747AI

Hello,I am relatively new here and would like to try to design a STM32H747AI board with LiPo battery power supply for wearable devices with features like OLED microdisplay, WiFi+Bluetooth and GNSS module. Since I would like to run a GUI on it with sm...

Bus fault when running ARM DSP functions

1. I am implementing a custom extended kalman filter function. The program on running hits HardFault handler on the 4th iteration (prediction function).2. Cortex-M4->CFSR = 0x8200 (BFARVALID=1)3. BFAR holds : 0xa5a5a5a5I am not able to understand whe...

nalostta by Associate
  • 3 replies
  • 1 kudos


Posted on November 11, 2015 at 17:50 Hi every one, especially Mr.Clive, today i have problem with CAN FILTERS i want to allow all IDS from 100 to 1FF in other words block all messages after 0x0200 here is my code, Please help me, Thanks in...

puneethj by Associate II
  • 23 replies
  • 0 kudos