stm32h723zg Clause 45 MDIO

heisenbug · ‎2024-03-27

Hi all,

i see H7 supports clause 45 MDIO access, but in the HAL library looks not implemented, i see only clause 22.

How should i proceed to read/write c45 ?

Thanks,

angelo

mƎALLEm · ‎2025-02-26

Hello,

I've got a feedback regarding that request. The decision was not to add Clause45 support for the actual product including H7 for many reason including the fact that there is no ST STM32 development kits is equipped with a Clause45-capable PHY. But Clause45 (maybe) it will be addressed in the HAL of newer products.

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mƎALLEm · ‎2024-03-27

Hello,

Which MDIO interface you are talking about? is it the MDIO of the ETH or the MDIO slave (MDIOS)?

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heisenbug · ‎2024-03-27

MDIO inside the ETH IP

heisenbug · ‎2024-03-27

Well, found now that the PHY chip i am using is supporting C22 to C45 bridge (multiple devices addressing), so don't need to add Clause 45 to HAL. Anyway, since h7 supports Clause 45, would be nice to have it imnplemented in HAL.

mƎALLEm · ‎2024-10-07

Hello,

Internal ticket already raised for follow-up 177202

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mƎALLEm · ‎2025-02-26

Hello,

I've got a feedback regarding that request. The decision was not to add Clause45 support for the actual product including H7 for many reason including the fact that there is no ST STM32 development kits is equipped with a Clause45-capable PHY. But Clause45 (maybe) it will be addressed in the HAL of newer products.

To give better visibility on the answered topics, please click on "Accept as Solution" on the reply which solved your issue or answered your question.