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clinton_1966's avatar
clinton_1966
Icon for New Contributor rankNew Contributor
1 year ago

FPGA cyclone iv gx Transceivers power pin

my project now use cyclone IV GX150 ,then we not use Transceivers module, if we must connect VCCL_GXB, VCCH_GXB and VCCA_GXB to 2.5V power? May we let thest power pin floating? waiting your replay , ...
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WZ2's avatar
WZ2
Icon for Frequent Contributor rankFrequent Contributor
1 year ago

Hi there,

For VCCL_GXB, should tie to 1.2V. And all these power still should be connected even if u will not use transceiver. Due to the configuration may failed if u don't connect it and have bad influence for calibration. But the power rail will not cause power waste.

Best regards,

WZ