Basic Questions

TCP/IP Chip W5300
1

Hello,

We are looking into using this chip to transmit UDP packets and I have some basic questions.

  1. Do the chip add any information to the UDP packet? For example, the header and checksum of the packet?
  2. I looked in the sample code and I couldn’t see how the chip select was being used for reading from the socket. To read, do I follow these instructions:
    • Set the address pins
    • Pull chip select low
    • Enable Read
    • Read data from data pins
    • Disable Read
    • chip select high
      If that is the case, how do I know when the read data is valid?
  3. What about writing to a socket?
    • Set address pins
    • Pull chip select low
    • Set data pins
    • Enable write
    • Disable write
    • Set chip select high
      If this is the case, how do I know when the data has been written?
  4. What about read/writes from a buffer? Do I have to enable chip select and read multiple times?
2

hello, robyn

do you want to know the interface w5300 has?

I think this page will be so useful

[url]http://www.wiznet.co.kr/product-item/w5300/[/url]

in the below, please check the registers and pin information in datasheet.

And you can test it with application note as well.

thank you