About AChas.1

AChas.1 · 2021-02-28

Hello. Try to start ETH on STM32H733. ETH_DMAMR_SWR setted by HAL in HAL_ETH_Init() but do not reset by device during timeout 500ms and even 2000ms. The same code run over STM32H723 perfect. I am try this https://community.st.com/s/question/0D53W0000...

AChas.1 · 2020-01-21

Hello, i have some trouble with my L073z-eval board. I try to use RTC with LSE and found it very inaccurate. I checked the frequency using TIM21 (capture-compare mode with remapped LSE as input) and see very instabbility value - some times value goes...

AChas.1 · 2021-04-07

Problem was solved. See top comment and do not forget change pin speed to height!

AChas.1 · 2021-03-02

Yep. This is an Answer. Thank You!

AChas.1 · 2020-01-22

Some additional info:Low drive - frequency instabbility and value dance between 508-510 Hz (at the RTC callibration output) measured by osciloscopeMedium low drive - best accuracy 512-512.8 HzMedium hight drive - good stability but frequency is 520-5...

AChas.1 · 2020-01-21

Crystal directly connect to board through 0603 0 Ohm resistors, solder bridges (which redirect pins to external header) are open. I changed LSEDRV to 11b (default in CubeMX was be 00b). Now crystal less sensetive to touch by finger even possible to m...

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ETH_DMAMR_SWR in STM32H733

STM32L073z-eval 32.768 LSE issue

Re: ETH_DMAMR_SWR in STM32H733

Re: ETH_DMAMR_SWR in STM32H733

Re: STM32L073z-eval 32.768 LSE issue

Re: STM32L073z-eval 32.768 LSE issue