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TDA2x 100Mbit Ethernet

Prodigy 50 points

Replies: 2

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Hi everbody,

i posted a picture from a tda2xx EVM.

My question is why they have the new release of the tda2xx evm this 100mbit sticker on the ethernet port?

Is there any problem with this ethernet port?

  • Hello Benedikt,

    There is a bug with RGMII module - RGMII2 (rgmii1_* signals) Switching Characteristics only support 10/100 Mbps operation. RGMII2 Switching Characteristics are not compatible with 1000 Mbps operation. Refer to the device Data Manual for Switching Characteristics timing details.

    See in TDA2x Errata document: Ethernet RGMII2 limited to 10/100 Mbps; Errata ID: i880

    The proposed workaround is: RGMII2 (rgmii1_* signals) should be used at 10/100 Mbps operation only. If 1000 Mbps operation is required, RGMII1 (rgmii0_* signals) can be used instead.

    Best regards,
    Yanko

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  • In reply to Yanko Todorov-XID:

    Hello Benedikt,

    Please see the patch in Uboot - lists.denx.de/.../158269.html

    Best regards,
    Yanko

      Please click the Verify Answer button on this post if it answers your question.

            Be sure to read the OMAP Application Processors Forum Guidelines and FAQ

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