SO (MISO) should generally be high impedance if not selected... I suspect this c... | Hacker News

Hacker News new | past | comments | ask | show | jobs | submit

login

		cozzyd 11 days ago \| parent \| context \| favorite \| on: Investigating an “evil” RJ45 dongle 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

nick__m 11 days ago [–]

Thanks you for refreshing my memory, I learn about that in college twenty-something years ago but never used that knowledge!

Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact