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STM32H743BIT6: same clock source for both MCU and ethernet PHY?

Meghna
Associate II

Hello, I am using STM32H743BIT6 as a MAC for DP83TC814R Ethernet PHY, I have one query regarding oscillator, I am using Ethernet in RMII slave mode which requires 50MHz reference clock, can i use the same clock which i am using for MCU HSE or should i use different one for EThernet PHY, But how the clocks can be synchronised in that case?

Meghna_0-1750431096608.pngMeghna_1-1750431124522.png

 

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