STM32 MCUs Products

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Resolved! Too high current draw in shutdown mode

I'm just getting started with my STM32WB15CC nucleo board, and my first goal was to put in shutdown mode to check the current draw, which I expected to be around 1 uA. I'm measuring the current on the JP3 header with a joulescope which should represe...

minded by Associate II
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  • 3 replies
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STM32G4 Interrupt Enables I2C

Is it necessary to enable interrupts in I2C_CR1 if I only want to look at the flags but don't want to go into the interrupt service routine? For instance, I want to be able to look at the status of RXNE and see if it is set, but I don't actually want...

tomm5771 by Associate III
  • 95 Views
  • 1 replies
  • 0 kudos

Resolved! STM32F103: HSE Crystal Capacitors

Hello Which are the correct Capacitors to use for HSE on STM32F103 with the following Crystal?Frequency: 8 MHzLoad capacitance CL: 20 pF Thank you in advance for a quick hint.RegardsMichael 

Resolved! Crystals and load capacitors for stm32l432

Posted on July 10, 2018 at 14:37I've been designing sub-gram boards for data logging on songbirds using the stm32l432.  Although mostly I use ultra-low power external RTCs, I recently built a test board using a 4pf 32768 crystal.  The question was t...

Geoffrey1 by Associate III
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  • 5 replies
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Resolved! STM32 HSE Crystal

Hello, I'm using an STM32H750VB and am trying to use the HSE crystal to communicate over USB to my computer, but it isn't able to connect to my computer. I suspect that the issue lies with the crystal since I tried to probe it with an oscilloscope an...

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Avid by Associate II
  • 435 Views
  • 3 replies
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Resolved! USB product string no visible on host

Hi,I have developed custom board with STM32C071CBT6. I configured USB port with USBX in CDC mode. I configured USB device descriptor values as below: When I connect host Windows 11 PC to my custom board, device manager on PC shows - USB Serial Device...

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PPate.1 by Associate III
  • 238 Views
  • 2 replies
  • 5 kudos

Resolved! STM32L431 CANBUS Bootloader problems

Hi all,I'm struggling to get the ST bootloader on a STM32L431KUB to communicate with a STLINK-V3SET via CANBUS using the STM32CubeProgrammer, the reported error is ST-LINK error (BRG_CAN_ERR) Establishing connection with the device failed.I have made...

monsi by Associate
  • 116 Views
  • 1 replies
  • 0 kudos