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FPGA cyclone iv gx

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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 , thanks!!

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You can ask for help from fpga community, there is a similar topic discussed in the forum below:

https://community.intel.com/t5/Programmable-Devices/VCC-CLKIN-on-cyclone-iv-gx150/m-p/710077?profile.language=en

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