STM32 MCUs Products

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STM32F411RE6: Analog input on PB5 and PB6 is always 0

Hi, I'm working with a STM32F411RE6 on a pcb and i've noticed that trying to read an input from PB5 and PB6  just returns 0. I've tried fiddling with the registers eg. setting them to analog input mode, pullup, pulldown and left floating but none of ...

Screenshot from 2024-03-30 09-31-46.png
Vandi by Associate
  • 1463 Views
  • 2 replies
  • 1 kudos

The MCU cannot be restarted after the NRST pin is pulled low

Hi guys,I am using the stm32f103rct6 microcontroller, and there is a hardware watchdog in the peripheral circuit to monitor the operation of the program, but after my program runs away, the watchdog will pull down the nrst pin flat, and sometimes the...

Tayloor by Associate II
  • 9441 Views
  • 13 replies
  • 6 kudos

Generate PWM output based on input capture

Hi, I am trying to sense a signal through TIM1 channel 1 by configuring as Input capture and Measure the signal frequency and Pulse width. Now I want to generate a signal with a phase delay after the falling edge of the input capture pulse. It should...

VGani.1 by Associate III
  • 990 Views
  • 0 replies
  • 0 kudos

Communicating with I2C DMA Without Interrupt

Hi, I am trying to communicate with i2c DMA without interrupt. My MCU is STM32G474RET6.I've read that it is possible but can't find how to do it. How can i communicate in slave mode with i2c dma? Since my interrupts disabled, can't use the callback f...

gunccc by Associate II
  • 6015 Views
  • 6 replies
  • 0 kudos

Resolved! STM32L452 LSE & PC13 Errata

Hi We use an STM32L452 with an external LSE (32.786 kHz) oscillator. We would like to use PC13 as a GPIO input with interrupt. In the errata sheet for the STM32L452 (ES0388 Rev9) I find the following entry:“2.2.12 PC13 signal transitions disturb LSED...

MMeie.3 by Associate III
  • 6311 Views
  • 10 replies
  • 0 kudos

CONFUSION IN USART BLOCK DIAGRAM

Hi, I have a confusion between these 2 USART Block diagram. Figure 1 and Figure 2.Figure 1 shows that the flow of the RX is from RX ENDEC block -> RDR -> Receiver control.Figure 2 shows that the flow of the RX is from RX ENDEC block -> Receive shift ...

1.JPG 2.JPG
WM_IR by Senior
  • 1793 Views
  • 2 replies
  • 0 kudos

P-L496G-CELL02 use the plastic SIM

Hi, we struggle to get P-L496G-CELL02 up and running with a plastic SIM. I know that set pin Sim_select0 to LOW to select the plastic SIM. However, I don't know what software to use and how to set it up. I am a beginner in embedded development. In ad...

harold_f by Associate
  • 727 Views
  • 0 replies
  • 0 kudos

Resolved! STM32F303VCT - Code hangs on sysTick IRQ enable

STM32F303VCTSTM32CubeIDE 1.14.1Simple program generation with IDE, main() while loop user code that toggles a GPIO.System hangs during HAL_Init() for the sysTick vector in: void HAL_NVIC_EnableIRQ(IRQn_Type IRQn){/* Check the parameters */assert_para...

jlag by Associate III
  • 6509 Views
  • 16 replies
  • 5 kudos

Resolved! STM32F303VCT - Applicatoin code not running outside of STMCubeIDE.

STM32F303 - Application running fine in CubeIDE debugger, custom board. It will not start as standalone, programmed with CubeIDE or CubeProgrammer with .elf or .hex.I have created an 'attach' run debug configuration, which can successfully display pr...

jlag_1-1709927450108.png jlag_0-1709927405306.png jlag_2-1709927661693.png
jlag by Associate III
  • 11156 Views
  • 10 replies
  • 4 kudos

Stm32f446re with E22t900d

Firstly, hello, I currently have the Nucleo-F446RE and E22t-900d LoRa module. First of all, how do I connect these two products? Then, how can I send the data I receive via the stm32 card to another LoRa module connected to the USB port of my compute...

gazili by Associate
  • 750 Views
  • 0 replies
  • 0 kudos