Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

Cyclone V LVDS differential termination and RZQ

Hello, I am designing a board with differential LVDS interfaces (receive). I want to use the internal differential termination Rd and the manual is not very explicit on whether the RZQ resistor ha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

I don't agree. The device manual is quite clear about the fact that Rd on-chip-termination for LVDS inputs doesn't use calibration - and thus doesn't depend on RZQ.