W5500 does not answer on SPI

Question

Hi I got a really strange problem with the w5500 Chip. I Started working on a firmware where I connect to a webserver and send and receive some data. A long time this works. Since some weeks I can’t get any Answer from the W5500 Chip. I Changed near to 20chips on 10 different PCB’s. I went back to the first version and compared it with the latest one but I couldn’t see any difference at all. I Checked too how the commuinication looks like and that looks like the same as the ones which a working. fail2319×265 26.2 KB Does anyone has a guess as to what this might be?

MootSeeker · Answer

Here is the other screenshot working2331×481 31.6 KB This screenshot is with the same board just with the older Firmware