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Ethernet PHY Clocks
Can the clkout clock on the PHY chip be disabled, and how is it configured?
Erwan SZYMANSKIBest answer
ST Technical Moderator
Jun 11, 2026 12:37 PM UTC
Hello
Please can you precise your question ?
You tagged your question with “STM32MP13 lines”, but the schematics you show seems to come from STM32MP157F-DK board.
Then, when you say “can be disabled”; for which purpose are you asking this ? Do you mean in your own design ? In the current board you use ? Do you need to keep Ethernet working ? Or not ?
Could you please precise more in detail your requirements ?
Kind regards,
Erwan.
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