iMX8M MAC to MAC Communication

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iMX8M MAC to MAC Communication

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sahilnayak
Contributor I

Hi,

We are working on one project and want to do MAC to MAC communication.

Requirement: iMX8M to iMX8M communication over MAC.

We have done following connections in the schematic:

MAC1_TxC --> MAC2_RxC

MAC1_Tx_CTL --> MAC2_Rx_CTL

MAC1_TxD[3:0] --> MAC2_RxD[3:0]

 

MAC1_RxC <-- MAC2_TxC

MAC1_Rx_CTL <-- MAC2_Tx_CTL

MAC1_RxD[3:0] <-- MAC2_TxD[3:0]

We have used external 125MHz clock source. So my question is, where do we have to connect the external clock source??

Do we have to connect to both MAC1_TxC & MAC2_TxC??

If yes, Can we use the same clock oscillator to connect to both MAC1_TxC & MAC2_TxC??

Anything else need to be taken care?

Please confirm on above. 

Awaiting for your quick response.

Thanks & Regards,

Sahil Nayak

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igorpadykov
NXP Employee
NXP Employee

Hi Sahil

I think connections are correct and one can use the

same clock oscillator to connect to both MAC1_TxC & MAC2_TxC.

Best regards
igor
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