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Visitor
Visitor
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Registered: ‎10-07-2019

Replacement for the discontinued MII to RMII IP core

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Hello All,

I have been trying to develop a core for Nexys 4 board, which uses RMII PHY interface. Since the design I am planning to use has an GMII interface, I tried using an RTL module to convert design interface from GMII to MII and then, the MII to RMII core in the IP catalog (shown below). However, I noticed that the MII to RMII core is a discontinued core. May I know if there is an alternative core? 

Thank you!

NJ

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Moderator
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Registered: ‎08-25-2009

Re: Replacement for the discontinued MII to RMII IP core

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Hi @najath_akram ,

Unfortunately, we do not have a replacement core for MII2RMII.

 

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Moderator
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Registered: ‎08-25-2009

Re: Replacement for the discontinued MII to RMII IP core

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Hi @najath_akram ,

Unfortunately, we do not have a replacement core for MII2RMII.

 

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Visitor
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Registered: ‎10-07-2019

Re: Replacement for the discontinued MII to RMII IP core

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Thank you very much. 

Is there any alternative way, or any example projects that I could go through to see, how to map MII or GMII interface to SGMII, RGMII and RMII ?

NJ

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Registered: ‎08-25-2009

Re: Replacement for the discontinued MII to RMII IP core

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Hi @najath_akram ,

We have GMII2RGMII shim core for a GMII to RGMII interface. We also have PCS/PMA or SGMII core on PL for a GMII to SGMII/1000BASEX interface. For the latter, we have provided XAPP1305/1306 (for ZU+ devices) and XAPP1026/XAPP1082 (for Zynq) as reference design examples.

 

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Moderator
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Registered: ‎08-25-2009

Re: Replacement for the discontinued MII to RMII IP core

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Hi @najath_akram ,

As a side note, the MII to RMII core is provided with all source files so you could potentially copy it in a custom directory and continue to use it with a newer version of Vivado.

 

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Visitor
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Registered: ‎10-07-2019

Re: Replacement for the discontinued MII to RMII IP core

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Thank you very much. I will look into that!

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Registered: ‎12-13-2018

Re: Replacement for the discontinued MII to RMII IP core

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Has anyone been successful in using the "MII to RMII" IP core in a newer version of Vivado? (for example, 2019.2)
- Guilherme
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Registered: ‎02-11-2020

Re: Replacement for the discontinued MII to RMII IP core

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Where could find the sources file ?

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Registered: ‎12-13-2018

Re: Replacement for the discontinued MII to RMII IP core

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If you have installed Vivado in any version previous than 2019.1, you can find this IP source files at:

Xilinx/Vivado/2019.1/data/ip/xilinx/mii_to_rmii_v2_0
- Guilherme
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Registered: ‎02-11-2020

Re: Replacement for the discontinued MII to RMII IP core

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Thank you
It works
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