What is the MAC (SHAR) address of the w6100?

Question

From the initialisation in io6Library, I see that user set SHAR of the wiznet chip. But does the Ethernet chip have a uniquely identifiable MAC Addr ? if yes, how can I read it?

irina · Answer

SHAR address is for Mac address. If you use the io6Library, you just read the register using getSHAR(mac) function. The first thing you need to know is that default Mac value is all “0x00”. Because If you only bought chip, we not provide the MAC address.

irina · Answer

If you buy the S2E module, we will provide with module and MAC address. But if you want to use the unique MAC address, you’d better ask it to IEEE. Refer to IEEE SA - IEEE Registration Authority

wiznet dev · Answer

Okay, correct me if I am wrong but, there is no unique SHAR provided by WizNet for W6100 Chip?

irina · Answer

yes, you’re right.

wiznet dev · Answer

Thank you!