RMII Support

[pelegk]

hey,

i want to use 2 RMII channels in MIMXRT1061CVJ5A.

does pin GPIO_B1_00 for example suitable as RX_ER for RMII mode in channel 2?

as you can see here:

in channel 1, written so its clear that the io support both modes.

same as EX_ER, the question is about all this pins:

• REF_CLK - GPIO_B0_15(ALT9).
• MDC & MDIO - GPIO_B0_00 & GPIO_B0_01  (ALT8).
• TX0+1 - GPIO_B1_14 & GPIO_B1_14, 2  (ALT8).
• RX0+1 - GPIO_B1_02& GPIO_B1_01, 2 . (ALT8).
• CRS - GPIO_B0_10 (ALT8).
• RX_ER -GPIO_B1_00.(ALT8).
• • TX_EN - GPIO_B0_14. (ALT8).

thank you!

[Sabina_Bruce]

Hello Peleg,

Hope you are doing well.

Yes, the ENET2 has the same functionality as the ENET, with the corresponding pins. The table which describes the external signals only specifies the ENET. However, you can find that all the registers say ENETx_..., this means that the configuration applies to both.

I would recommend to use the table 41-2 as a reference for the mode and description then find the corresponding pin on enet 2.

Best Regards,

Sabina

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