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

Resolved! Questions about STM32F042T6Y

Hello i  two questions ,1) i use mcu STM32F042T6Y a give the same power  supply 3.3v to pin VDD,VDDA and VDDIO2, is this a problem?(many gpio(i chose the gipo tollerant) input  of mcu work to 5V and i use the usb host of mcu )2) i want use  a externa...

Fabrizio70_0-1693391786790.png

Resolved! ATM90E26_STM32G491RE_SPI Unable to read current values

Hello,I am trying to read voltage, current and frequency from ATM90E26 IC using STM32G491 with SPI communication. I am getting voltage values correctly.1.But while reading frequency value If I give 100 Hz I am receiving 50 Hz.2.While reading current ...

STM32F030F4 + CubeIDE + JLink can't verify device

Hello,I have a dev board based on STM32F030F4. When I try to attach to the device using my Segger JLink Edu, I am getting a "Could not verify ST device" error.Here is the log from Cube:SEGGER J-Link GDB Server V7.88h Command Line VersionJLinkARM.dll ...

tcoin by Associate
  • 2447 Views
  • 1 replies
  • 1 kudos

STM32F407 Disc pin pulled high after being used as SDA pin

Hi, I am trying to read data from a sensor over I2C, I am using pin B8 as the SCL line and B9 as the SDA line. The code worked once and after reading the data from the sensor, pin B9 got stuck pulled low. I terminated and reloaded the debug session a...

Resolved! Writing and reading to external NORFlash using QuadSPI on STM32H743 mcu and successfully test erase, write, and read the flash a few days ago but now only read works. What could cause the erase and write command to not fail but not work either?

A few days ago I successfully tested erasing the NORFlash as entire chip erase, block erase, and sector erase. I also was able to write a string to Flash and read the string back out of Flash into a buffer. After working on other development I came ...

PFlor.2 by Senior II
  • 7075 Views
  • 22 replies
  • 1 kudos

How do you stop SPI DMA circular transfers in a G474RE

I am using a NUCLEO64-G474RE as an SPI master with DMA (Rx and Tx in circular mode) to interface an ADC CHIP. I am receiving data reliably but wish to stop  and start the SPI/DMA . I have used CubeMx to generate the initilisation code and HAL_SPI_Tra...

low power sleep mode in stm32

Hi, I work with low power sleep mode in stm32 and it is sleep mode works well in our programme.MCU goes sleep mode after 5 seconds and wakup for external interrupt pin to connect for MCU wake up.But I need a output for MCU sleep for 1 min without ADC...

mrsmile by Associate III
  • 2697 Views
  • 3 replies
  • 0 kudos

PWM using Timer DMA

Here i am trying to generate a 24 bit PWM signal using timer 2 in STM32F401RE controller. I followed as per the steps only but still i not getting any output waveform on my logic analyzer. Please share your suggestions. void tim_init();GPIO_HANDLE pw...

DJ1 by Associate III
  • 945 Views
  • 2 replies
  • 0 kudos