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Altera_Forum
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12 years ago

How to turn on Cyclone V LVDS 100Ohm termination in Pin Planner?

Hi, I am using Quartus-II v13.1 with the Cyclone V 5CSXFC6D6F31C8NES. I have several LVDS I/O pairs going to the LVDS interface of a high-speed ADC. One example of such an I/O pair would be pin...
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Altera_Forum
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11 years ago

You may enabled the 100 Ohm on chip termination for LVDS input through the QSF file directly. The following is an example of QSF assignment:

set_instance_assignment -name INPUT_TERMINATION DIFFERENTIAL -to system_refclk