Forum Discussion

SKacc's avatar
SKacc
Icon for New Contributor rankNew Contributor
6 years ago

How to terminate the unused multi function pins in Arria V FPGA?

Some pins of Arria V FPGA pins are multi-functional. For eg, Pin A6 has functions like IO/CLK13p/DIFFIO_RX_T3p/DQ1T. Termination guideline is provided for each function as below in Pin connection gui...
YuanLi_S_Intel's avatar
YuanLi_S_Intel
Icon for Regular Contributor rankRegular Contributor
6 years ago

Hi Srikanth,

For unused pin, even on pin which can be used as user I/O pin when device is boot up, it is by default set to "as input tri-stated with weak pull up" by quartus.

You may leave it unconnected if pin connection guidelines states that "if not used leave them unconnected or configure in Quartus II software.".

Thank You

  • SKacc's avatar
    SKacc
    Icon for New Contributor rankNew Contributor
    6 years ago

    Thank You