STM32 MCUs products

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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...


Sequence of 4 measurements using ADC1

I was unable to configure ADC1 to measure a "4 channel sequence" and then generate an interrupt.I am using the injected result registers to read the values in the ISR.Adc_Value[0]= ADC1->JDR1;Adc_Value[1]= ADC1->JDR2;Adc_Value[2]= ADC1->JDR3;Adc_Valu...

bolurian by Associate II
  • 11 replies
  • 0 kudos

FLASH_WaitForLastOperation returns error in STM32G070

I try to erase a page using this code:bool EraseFlash() { uint32_t FirstPage = 0, NbOfPages = 0; uint32_t PageError = 0; int i; FLASH_EraseInitTypeDef EraseInitStruct = {0};   HAL_FLASH_Unlock(); FirstPage = GetPage(FLASH_START);   /* Get the ...

rickard2 by Associate III
  • 9 replies
  • 0 kudos

Resolved! STM32H725 Vcap pins

Hello,I would like to know whether I understood the application note about the Vcap pins correctly. If there are 3 Vcap pins on the package, then 2 capacitors should be placed and one has to be connected to another. I'm not sure about this connection...

fing by Associate II
  • 8 replies
  • 6 kudos

STM32F429 Automatically Enables Write Protection

Hello guys,In some of the products we developed with STM32F429, we received the write-protected error I mentioned in the image. I know how to turn off write protection, but I can't figure out how it activates independently. However, there are also ma...


Resolved! KSZ8863RLL (dual PHY) - datasheet typo/error?

Heyho,first of all, I know this is a Microchip product, but their forum is rather dead.And I have seen some people here using the KSZ8863RLL. So please bear with me... I'm currently working on a big and complex PCB including the "dual PHY" KSZ8863RLL...

LCE by Principal
  • 1 replies
  • 1 kudos

STM32H7 periodical TIM triggered SPI transfer w/o DMA?

On a STM32H745ZI-Q - Board I want to create periodical 4-byte SPI transfers  triggered by a timer. So far I got this working the following way:TIM triggers DMADMA initiates the SPI transfer.However, the SPI transfer timing (CS low) has a high jitter ...

MSZB by Associate II
  • 28 replies
  • 3 kudos

Can't upload the firmware F405

HI all, I am building a system to control my battery charger.When I power up the system from the DC power supply it work perfectly.But when I power up this with AC power supply it gives below error. What can be the possible error?

Supun_C by Associate
  • 1 replies
  • 0 kudos

Resolved! Having Problem with FP-AI-Vision_V3.1.0 counting people

Hello Everyone!I'm facing a problem with all the examples on this package FP-AI-Vision and my LCD only displays noises. I have the board STM32H747I-Disco model MB1248-H747I-D03 and the display MB1166-A09. I realized that in this package doesn't has t...

brunamark by Associate III
  • 1 replies
  • 0 kudos