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ADufl's avatar
ADufl
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6 years ago

Bidirectional LVDS buffer "Can't place node -- node is a differential I/O node"

Hello, I'm trying to connect a sensor to EP4CE40F23C7 Cyclone IV E FPGA. It's supposed to be connected to a bidirectional LVDS drivers, I did the proof of concept with a board with such drivers and...
ADufl's avatar
ADufl
Icon for New Contributor rankNew Contributor
6 years ago

The pin assignment concerning the bidirectional LVDS signal is given in the form of the *.qsf extract. If a larger view of the design is needed, I may need to do some proofing beforehand.

Thinking about it, it appears to me that it doesn't do much sense to do LVDS with 3.3V IOs. Am I wrong ?