ROM found in popular chinese USB to Serial chip (CH340)

by bytteron 9/2/20, 1:20 AMwith 2 comments
by ComputerGuruon 9/2/20, 1:23 AM

Why is this surprising? In bulk, ROM is cheaper than EEPROM and I’m sure there’s a good amount of USB-related functionality or logic that can be stored there. It’s not a passive device by any means, so I’m not sure why there’s the implied “where it shouldn’t be” in the thread/title?