STM32 MCUs Products

Communication via RS485 stop working after random time

Hi everybody,This is the first time I'm writing in a forum so I'm sorry if I didn't right.I'm developed a board based on STM32F091VBT.I'm using this board to communicate with other devices (two touch, a gateway and another board based on STM32F091VBT...

RTC clocks problem

Something is wrong with the clocking and i cant figure out. When i try to debug with step over, the error handler in void SystemClock_Config(void) if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {  Error_Handler(); }Takes me to    /* Wait till L...

Does STM32L083RZT6 support motionFD library?

For the STM32L072 micro series what is the max input voltage on the ADC, without damaging the MCU? From the datasheet the pin should be VDD+4V tolerant as the I/O structure is FT. Is that still the same when the pin is configured as an ADC input?

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...

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...

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...

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 ...