Using ethernet with Microblaze

Hi,
I want to use Ethernet to connect my Microblaze based design to my PC. Is it possible without using Zynq processor. How can this be accomplished?

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0 Former Member over 9 years ago

Hi,

You will need an external Ethernet PHY device and a physical (RJ45) connector as you will not be able to access the one built into the ZedBoard from the PL based MicroBlaze. I don't know of any PMOD based PHY and connector. There are several FMC boards with Ethernet PHYs and connectors:

http://ethernetfmc.com/
http://products.avnet.com/shop/en/ema/development-kits/3074457345623533991

-Gary
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0 Former Member over 9 years ago in reply to Former Member

Hi,
Thank you again for your quick response. I am bothering you because I am new to Zedboard. I have searched on the net and found PmodNIC100 which can be plugged to PMOD interfaces. Can this device help me.
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0 Former Member over 9 years ago in reply to Former Member

Hello,

Sure, that would be another way to provide an Ethernet interface to a MicroBlaze. I the case of this PMOD the Ethernet MAC function is on the PMOD as well and the interface to your MicroBlaze is SPI. This has the advantage of being very simple but it will also be very limited in bandwidth. It all depends on what you are trying to accomplish.

-Gary
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0 Former Member over 9 years ago in reply to Former Member

Hi,
Thanks for your quick response. On Zedboard website under the following heading "Onboard Ethernet to FPGA" I have come to know that peripherals connected to MIO (like SD Card, Ethernet) can be connected to PL side by using EMIO. Can't the same methodology be used to connect ethernet to microblaze without using ZyNQ PS.
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0 Former Member over 9 years ago in reply to Former Member

Hi Habib,

I am also trying to do the same. Did PMODNIC100 work? or Did you try some other method? I am trying to implement LwIP TCP stack on microblaze and use PMODNIC100 to access Ethernet from the PL. Does that work? Please give your experience.

Thanks
Goutham
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0 Former Member over 9 years ago in reply to Former Member

Hi Habib,

I am also trying to do the same. Did PMODNIC100 work? or Did you try some other method? I am trying to implement LwIP TCP stack on microblaze and use PMODNIC100 to access Ethernet from the PL. Does that work? Please give your experience.

Thanks
Goutham
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