STM32 MCUs Products

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Ethernet driver in STM32Cube did not implement PTP interface

I'm a developer of the open source system zephyr, I need to implement PTP in Ethernet, but I found that stm32f4xx_hal_eth of STM32Cube did not implement PTP interface. Why not add this part of implementation,I request to implement the PTP interface i...

Jxudong by Associate
  • 763 Views
  • 4 replies
  • 1 kudos

STM32F042: External clock and clock output

As described before (https://community.st.com/s/question/0D50X00009sWdDqSAK/stm32f042-bootloader-activation) I want to use 2 STM32F042 as CAN controller. So far I planned to use the internal HSI RC oscillator, but a +-5% tolerance seems critical for ...

0690X000006CHJZQA4.png 0690X000006CHJeQAO.png
harald by Associate III
  • 955 Views
  • 3 replies
  • 0 kudos

HMAC digest doesn't match expected (STM3221G-EVAL)

I just purchased the STM3221G-EVAL board and I am working through some examples. I am currently using running the HMAC example and it runs fine. However I am unable to get the HMAC to match the test vectors provided in the specification (https://tool...

OOmen by Associate II
  • 997 Views
  • 5 replies
  • 0 kudos

Problems with PWR_MODE STOP and the wake up with Timer LPTIM1

The LPTIM1 interrupt is running. But if I use the EnterStopMode function, the controller is not gone at the stop mode (LED1 come directly). If I use the EnterStopMode function the second time, the controller goes into the STOP mode and after few sec...

AxelMC by Associate II
  • 804 Views
  • 6 replies
  • 0 kudos

digital read problem in stmf429 discovery

I'm trying to connect the limit switch to my stm32f429 discovery board. the digital read function is not working. I didn't get the desired output instead all the signals are high in IDR. I don't know what I'm missing?. I watch some examples on the we...

Ark1 by Associate II
  • 433 Views
  • 0 replies
  • 0 kudos

STM32L496 VDDIO2 / GPIOG pins

1. Do I need to provide power from different regulator for VDDIO2 pins or if I use the same level (3.3V) can I use VDD? I simply need lots of GPIO pins.2. LL_PWR_EnableVddIO2 has no effect in my case. IsEnabledVddIO2 always returns 0. I did wait for ...