STM32H573 (LQFP)-Ethernet MAC Support

[C2Chandan]

I planning to use STM32H573 (LQFP) for Ethernet based on RMII. Is this controller support to all RMII signals. Please suggest the clock frequency shall give from external or internal, which one is the best.

[mƎALLEm]

Hello @C2Chandan and welcome to the ST community,

You can inspire from the NUCLEO-H563 board schematic. It uses already ETH RMII:

[C2Chandan]

This board uses STM32H563ZIT6 (LQFP 144) but I am planning to use STM32H573RIT6 (LQFP64). Does STM32H573RIT6 (LQFP64) support RMII or it has internal ethernet MAC. Please guide

[mƎALLEm]

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@C2Chandan wrote:

This board uses STM32H563ZIT6 (LQFP 144) but I am planning to use STM32H573RIT6 (LQFP64). 

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You've hidden this information in your first post.

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@C2Chandan wrote:

 Does STM32H573RIT6 (LQFP64) support RMII or it has internal ethernet MAC. Please guide

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Did you refer to the datasheet / Table 15?
You can also do the exercise with STM32CubeMx:

Select the MCU part number, and activate the ETH in RMII mode: