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STM32H5 Interface With Gigabit Ethernet PHY device

B.Michele
Associate III

‎2025-02-07 02:45 AM - last edited on ‎2025-02-07 02:50 AM by

Moved from MPUs forum.

Hi, i must Use a Single Port Gigabit Ethernet PHY  that have a RGMII Gigabit Interface to connect a RMII 10/100 Mbit
Ethernet MAC interface of the STM32H563VI MCU. 

Do you think it is possible to connect a Gigabit PHY chip to the 100 Mbit H5 micros??? pin out,

Sure the final Ethernet Speed of the system, will be declasses to 10/100 Mbit. 

In particular I can't find where to connect the PA7 pin [RMII_CRS_DV] Carrier Sense... there is no CRS_DV output in the PHY gigabit device

 

Thank you very much

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10 REPLIES 10
B.Michele
Associate III
In response to Pavel A.

‎2025-02-13 01:15 AM

Ok thank you,

we are also just looking for a newer chip than the LAN 8742, we will probably choose the Microchip or TI brand

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