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STM32 crystal less USB operation STM32L011?

Hello, I'm looking for an mcu that can both do USB DFU programming and has and external crystal which there aren't many cheap available now (or would drop the external crystal requirements if I'd get convinced otherwise because I want it as stable as...

MikeLemon by • Associate II
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  • 7 replies
  • 2 kudos

STM32F405 CAN RX interrupt halts?

Hello, everyone.  I hope you're doing well.my work at this time: https://github.com/MarginallyClever/Daisy-Driver-2.0-firmware/commit/465ec3dbeb831ee2f49fd6a6648da8fd7377a56aMy code is written in Arduino 2.2.1 with https://github.com/stm32duino/Board...

Resolved! stm32 Ethernet Error

The problem you are experiencing with your STM32F407IGT6 board is that after programming the firmware and using Ethernet (UDP) communication, if you power it off and then back on, the Ethernet communication doesn't work. However, if you press the Res...

Resolved! Forcing a FLASH ECC error on a STM32G4

HiEarlier today I was demonstrating a IAP functionallity with dualbanking on a stm32G474RET. I was saying that it cannot fail as I check the written image with a CRC after it has been written to the new bank.As I power of the system mid transfer and ...

Resolved! USB HOST Nucleo-F103RB

Nucelo-F103RB has MCU STM32F103RBT6.  Can this MCU be used as USB host ? I see STMF105 series has USB 2.0 OTG but I don not see Nucleo-F105 series Evaluation board.  

Nico3 by • Senior
  • 893 Views
  • 2 replies
  • 0 kudos

ST-LINK/V2 USB Connection Error

I connected STM32F401CCU6 board and ST-LINK/V2 with a SW called STM32 ST-LINK Utility. I'm sure it worked yesterday, but I don't know why it doesn't work now. The screen keeps saying "ST-LINK USB Connection Error" and plug in the USB and refresh, it ...

Park by • Associate II
  • 8031 Views
  • 10 replies
  • 0 kudos

STM32F303CBT6 DAC and PA4/PA5

I read a lot about it for other STM32 MCUs but can't find any confirmation that it’s not possible to use PA4 and PA5 as GPIO output and DAC1 channel 1 and channel 2 internally for STM32F303CBT6. There's a hint in the errata of another STM32F303* usin...

DRH by • Associate III
  • 5266 Views
  • 9 replies
  • 0 kudos

Resolved! How to reduce I2C frequency from 100Khz to 20KHz

Hi, i am using STM32F401RE Nucleo board and i want am using I2C channel in standard mode which is upto 100KHz but i due to little long length of communication cable, i want my I2C frequency to be around 20KHz. I am using HSI only as clock source.This...

DJ1 by • Associate III
  • 4046 Views
  • 13 replies
  • 1 kudos
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