STM32 MCUs Products

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Resolved! STM32H573 PB14

In our project I use STM32H573VIT6 LDO uC. We have a problem with the PB14 pin. We use 3 pins for LED control (PB10, PB13 and PB14, see photo). The problem with the PB14 is that the LED lights up dimly without code initialization. If PB14 is initiali...

gaso111 by Associate II
  • 7923 Views
  • 25 replies
  • 8 kudos

Resolved! CAN-bus with STM32F103RB

Hello there!I am trying to use some STM32F103RB Nucleoboards and some MCP2551 chips to make a CAN-bus. I got this problem where I can make it work in loop-back mode, but I cannot send from one board, to another one. I know the Circuit is stable and c...

Kenno by Associate II
  • 1771 Views
  • 1 replies
  • 0 kudos

Resolved! USART4 Tx idle stays low STM32G070

Hello everyone,I successfully used USART1 and USART3 in my application. However, when trying to use USART4, Rx is working but not Tx. The idle signal stays at 0V all the time. Here is what I already check:UART initstatic void MX_USART4_UART_Init(void...

PSicl.2 by Associate II
  • 4012 Views
  • 11 replies
  • 1 kudos

Resolved! nucleo-h743zi2 FDCAN

Hello, I want to communicate with a PC using FDCAN with the Nucleo-H743ZI2 development board. According to the information I found,the STM32 board requires a transceiver for CAN communication,and since the PC does not have a CAN port, a CAN to USB in...

HMsDobby2 by Associate III
  • 815 Views
  • 1 replies
  • 1 kudos

STM32H7 FDCAN FiFo receives wrong values sometimes

Dear all,i have a custom pcb with a STM32H753XIHx.I want to use CAN1 Interface to receive PDO and SDOs (Baudrate: 125k, CANopen).My receive routine looks like this: // CAN 1 receive interrupt callback void HAL_FDCAN_RxFifo0Callback(FDCAN_HandleTypeDe...

julred by Associate II
  • 1317 Views
  • 5 replies
  • 0 kudos

adc channel connectivity

I am using ADC channel with DMA to get linear hall sensor data ,its giving bur after some time adc pin not working. but same code working with another board, what can be problem.

Piyoosh by Associate III
  • 2421 Views
  • 12 replies
  • 3 kudos

Problem with DMA and USART receiving problem

Hello,I have an STM32F107 microcontroller that uses DMA and USART to receive 250 bytes every 10 ms. The RTOS tick is 1 kHz, so osDelay(1) results in a delay of about 1 ms.The sender transmits 200 bytes every 5 ms, and during this phase, it is not cri...