STM32 MCUs Products

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Resolved! STM32G0 that just won't connect

Hey All,I made my first STM32 board using STM32G0B1RE, it arrived today, since it's blank I expected the MCU to jump into bootloader and start the DFU, however this did not happen, MCU was not detected at all by the USB, I checked further and USB DP ...

Resolved! STM32F303 and L9616 CAN transceiver

I have a STM32F303 connected to a L9616 as displayed below.  The pullup resistor R3 is not present any more. Please ignore it. Vdd is 3.3V but, as can be seen, I have set Vs to 5V, believing that was necessary to make the CAN BUS work. With an osci...

enhering_0-1711296523818.png enhering_1-1711296567728.png
enhering by Associate III
  • 3525 Views
  • 23 replies
  • 18 kudos

Resolved! Can't set USART_CR1_RXNEIE to enable

I tried to enable RXNEIE with following code: USART2->CR1 = (USART_CR1_TE | USART_CR1_UE | USART_CR1_RE | USART_CR1_RXNEIE);  But when I checked CR1 register, it's still set to 0: gdb: x /8ub 0x40004400 0x40004400: 45 0 0 0 0 0 0 0 I checked the manu...

Jemegen by Associate III
  • 551 Views
  • 2 replies
  • 1 kudos

Resolved! Setting up a UART caused device reset

I am trying to build a uart implementation from scratch to learn the Stm32, but such a code implementation seems to cause my Stm32F030 to go into Reset_Handler state.What might be wrong with my code? Thanks in advance!  void uar2_rx_tx_init(void) { ...

Jemegen by Associate III
  • 682 Views
  • 5 replies
  • 1 kudos

PTP/USB controlling camera (STM32F4)

Posted on August 05, 2017 at 04:09Hi,I'm working on a project which should communicate with a camera (canon, Nikon ....) and should be able to get pictures from the camera through Usb port.i search in the net for a way to do that and i found that th...

xEventGroupWaitBits function usning

HiI use STM32H7 with free-rtos for my projct.I need to synchonized analog samples reading from 2 DMA channels and from 2 different ADCs.I use the xEventGroupWaitBits function to stop the execution of the sampling before starting a new sampling cycle....

Ofer by Associate III
  • 628 Views
  • 2 replies
  • 1 kudos

Resolved! Using TCXO with STM32L0

Hello,I would like to use TCXO (25 MHz) for timing STM32L071. It doesn't really work for me. When I put a scope probe behind C1, a signal can be seen in the picture. (some 27 Hz). Do you know what's wrong? The power supply for TCXO is 3.3Please any i...

IMG_20240330_120959.jpg pcb.png
JR2963 by Senior II
  • 851 Views
  • 5 replies
  • 0 kudos

spi tser,tsize value ?

hello ,I use stm32h750vbt6I'm trying to send data with spi 16 bit data constantly, I checked the reference manuallyBut there were some parts that I didn't understand. To send 16-bit data at intervals of a certain time, tser,tsize and what should my F...