W5500 or other

dear guys i want to use wiznet chip with MCU and when i found web site of this firm i wanted to buy 5500chip i choose it by title

who had some works with tcp/ip chips , can you tell what differents between 5100 5200 and 5500 in documentation i didn’t understant differents. please recommend what better? .excuse me for grammar i am not english. best regards

W5500 is cheap,
More Memory size,
More technical support,
More stability.

[quote=“hjjeon0608”]W5500 is cheap,
More Memory size,
More technical support,
More stability.[/quote]

do i need speifit header files for this device?

What is speifit header files???
I don’t understand your question.