Comment by cozzyd
14 hours ago
SO (MISO) should generally be high impedance if not selected...
I suspect this causes SO to always output the same value and the Ethernet controller must expect some magic
14 hours ago
SO (MISO) should generally be high impedance if not selected...
I suspect this causes SO to always output the same value and the Ethernet controller must expect some magic
Thanks you for refreshing my memory, I learn about that in college twenty-something years ago but never used that knowledge!