The library would just have to be modified which is easy enough to do since most of it overlaps with the T41. It’s not necessary to use the exact same PHY since whatever support that has to be added to QNEthernet can...
I had power and ground connected on mine, if you had a different power source then you should only need ground in addition to D+ and D- like any other USB connection. It does enumerate just like normal though, nothing...
Chips like these communicate with an SPI like interface, but they may also have multiple output pins for increasing the throughput. These extra outputs do not act in the same manner as QSPI so it's incompatible anyways,...
The crashes are seemingly random due to what’s causing the crash, from what I’ve been able to find it’s the Ethernet interrupt that causes it. Since you aren’t using FNET directly you should have no problem switching...