Forum Discussion

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

LVDS termination resistors on Cyclone III or Stratix III DSP development kits

I am currently working on implementing a design on a Cyclone III dev board with the DAC5681zEVM and ADS5560EVM connected to the FGPA via the HSMC connectors. We are having to install external termina...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Just to clarify that CIII devices do not support the on chip termination for LVDS. User will need to add external termination resistors for LVDS input. As for SIII devices, the OCR RD is supported.