STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Please give me some example for RS485 with automatic hardware flow control when interfacing with Energymeter...Tried a lot but not able to receive anything from energymeter.

I have connected my RS485 automatic hardware flow control with energymeter and with the help of that, tried to transmit the query 01 04 00 21 00 02 (forf voltage) along with CRC check ....uint16_t ModRtu_CRC(uint8_t buf[8], int len){ uint16_t crc = 0...

SVerm.3 by Associate III
  • 1377 Views
  • 1 replies
  • 1 kudos

SPI shifted bytes problem

Hi all, I'm working with STM32F407VG-Discovery kit and I'm trying to create an application for exchange data via SPI with an ESP32 controller.I'm facing some problems with the synchronization. The STM32 acts as slave in mode 0. ESP32 controller sends...

GMela.1 by Associate
  • 803 Views
  • 2 replies
  • 0 kudos

Resolved! MCU part longevity

Where to find specific part longevity? The following link has details for few parts only.https://www.st.com/content/st_com/en/about/quality-and-reliability/product-longevity.html#10-year-longevity

KGane.1 by Associate III
  • 1598 Views
  • 9 replies
  • 0 kudos

SPI data Issue with SPI_DATASIZE_8BIT

Hi,I'm facing an issue after configuring the SPI1 of STM32G491REI6 MCU using STm32CubeMX for SPI_DATASIZE_8BIT. I have captured the signals on the Oscilloscope after Transmitting the followed three-byte (0x03, 0x00, 0x50) from master(MCU) to slave. y...

0693W00000DmPTpQAN.png 0693W00000DmPd6QAF.png 0693W00000DmPdaQAF.png
ZMohd.7 by Associate III
  • 1068 Views
  • 4 replies
  • 0 kudos

UART RX does not work after changing clock from HSI to MSI

MCU - STM32L431RC; HAL drivers ver 1.13.After switching clock from HSI to MSI 16 -> 32 MHz,CubeMX generated system Clock setup does not work.When trying to send data to STM constantly getting "Noise error" and rarely 1st byte is received via ISR. TX ...

SAkhi.951 by Associate III
  • 1636 Views
  • 9 replies
  • 0 kudos