Does the Arria A10 support internal weak pull-ups/pull-downs on the LVDS input lines? I can't find this info in the datasheet?
Hi,Check for “Internal Weak Pull-Up and Weak Pull-Down Resistor” in following datasheet & Quartus tool has internal weak pull-up & LVDS options but it allows either weak Pull-up or LVDS not both simultaneously,check below snap. https://www.altera.com/en_us/pdfs/literature/hb/arria-10/a10_datasheet.pdf Let me know if this has helped resolve the issue you are facing or if you need any further assistance. Best Regards Vikas Jathar Intel Customer Support – Engineering (Under Contract to Intel)