AVR-Chat

Russell Shaw wrote:
> Thomas Keller wrote:
> 
>>Russell Shaw wrote:
>>
...
> LVDS only works over a few metres length without repeaters and
> equalizers. RS232 can do a few km.
> 
> There is much less ground noise in the ~400MHz LVDS frequency range and the
> short cable lengths it was designed for, and it is differential mode as well.
> LVDS is double-terminated 50ohm transmission line,

Correction: 100ohm differential line.

http://www.fairchildsemi.com/an/AN/AN-5017.pdf