Hello.
I try to design some simple project using this part. I got the latest datasheet for it (revision e). The devise is in RGZ Package and i try to use RGMI mode.
The question is in signal TX_EN / TX_CTRL and its type. It stated as O - Output. I think it should be input.
Here is the support for such conclusion:
1. RX_DV / RX_CTRL has O type. These RX and TX signals in RGMI configuration can't be both output.
2. On the document on page 26 we have functional diagram. As u can see the scheme clearly shows that TX_EN / TX_CTRL has arrow pointing inside the device (should be input)
3. MAC layer datasheet for my MCU says that TSECn_RX_DV is input. So RX_DV / RX_CTRL - Output, TSECn_RX_DV - Input: correct. At the same time TSECn_TX_EN is output type So the TX_EN / TX_CTRL should be input. Not output.
Please clarify.
Have a great day.
