i.MXRT1060 RGMII Mode

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i.MXRT1060 RGMII Mode

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gcary
Contributor II

The i.MXRT1060 Reference Manual refers to RGMII Mode for Ethernet.  The chapter is also titled "10/100 /1000 -Mbps Ethernet MAC (ENET)".  Is that a typo?  Gigabit Ethernet would be nice, but I don't think it has that.  But if it had an RGMII interface, I would use it, even if gigabit speeds weren't supported (some 10/100 PHY's have RGMII interfaces).

Thanks,

Greg

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gpontis
Contributor IV

I noticed that too. GigE would be a nice enhancement to this family. Without GigE support, what benefit would the RGMII connection bring ?

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gcary
Contributor II

I have since changed my mind about what I had said.  Some 10/100 PHYs have an RGMII interface for processors that only have an RGMII interface.  But I don't think there is any advantage to RGMII over RMII if all you want is 10/100.  It is too bad they didn't include GigE in the i.MX RT.

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joanxie
NXP TechSupport
NXP TechSupport

refer to the data sheet:

10/100M Ethernet controller with support for IEEE1588

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gcary
Contributor II

Thanks Joan.  In general does the data sheet take precedence over the reference manual?

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