STM32 MCUs Products

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Forum Posts

Impossible to access my STM32L011D3 with SWD

Hello all,So I've recently made a new PCB design with a STM32L011D3 chip. I also possess a BMP (bl*ck magic probe), that worked for other projects. So I am unable to see the chip with my BMP , when I do a swdp scan to list devices. The probe detects ...

Loïc by Associate II
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  • 2 replies
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STEVAL-ISB042V1 ... code writing... programming adivices.

I got 2 STEVAL-ISB042V1 and i want to create some code for the MCU to use the GPIOs for several functions. But i cant find the correct IDE for my MCU and i m looking for some programming adivices. I hope anybody can give me some help. The Datasheet o...

roku by Associate II
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  • 0 replies
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Cannot flash chip after sectors erasing

Hello, I want to flash my program in STM32 chip after sectors erasing. I cannot upload my soft and I need help from you.I tried to upload my ST-link V2 debbuger but since it seems to not work fine. Any idea ?Thanks in advance.

TAKSO by Associate
  • 466 Views
  • 1 replies
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Resolved! HAL_PCD_ConnectCallback() is not called on USB connection

Hi,I'm trying to capture a USB connection / disconnection event in STM32F722RE. The interrupt HAL_PCD_IRQHandler() is called when I connect / disconnect the device to the PC, but the flags USB_OTG_GINTSTS_SRQINT and USB_OTG_GINTSTS_OTGINT are never s...

AlaaM by Associate III
  • 2607 Views
  • 4 replies
  • 1 kudos

Counter input capture

I'm trying to set up a counter to capture the period of an input signal. I'm getting lost in the different CCMR bits. If it possible to do the following:wait for a raising edge on an input.on the raising edge, start counteron the next raising edgerec...

AKrup by Associate II
  • 830 Views
  • 2 replies
  • 0 kudos