PIC and TCP/IP - UMC ethernet chip

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D1_DRE

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PIC and TCP/IP

Hello,

I'll appreciate if you can help me out here. I'm an electrical and electronic eng student and I'm demostrating simple I/O via ethernet for my final year project. I noticed you are knowledgable in that field. In most projects I've seen around the web, most implementation was with a Realtek ethernet chipset which is NE2000 compatible. However, I was supplied with an UMC ethernet chip (UM9007AF) ISA CARD also NE2000 compliant. Here is my question. Can I assume the internal registers of the UMC and Realtek are similar or how do I go about, interfacing with this ISA NIC because I do not have the datasheet for the UMC chip but have a great wealth of info on the Realtek chipset.

Thanks for your time

Dre
 

Well, in my opinion NE2000-compatible means, that a well defined set of registers is equal in all NE2000-compatible nics. This would mean that an application written for one should work on all (or better with respect to real life) on most other NE2000-compatible nics.
 

You can find more information about interfacing PIC microcontroller to the NE2000 compatible cards (like 3com) from the following link

https://www.davidwitt.ca/

Hope this helps
 

That was very helpful thanks all
 

Here you will find a very nice project interfacing a ne2000 to a PIC

**broken link removed**

They have a very nice 'C' source...

HTH, Sirio.
 

Hi,

Microchip have a Application Note (AN833) about TCP/IP.

This is the AN833 on attchment...

Regards,

Maximilius26
 

Here is the URL for the Microchip free TCP/IP stack

**broken link removed**
 

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