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KRedd9's avatar
KRedd9
Icon for New Contributor rankNew Contributor
6 years ago

set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "2.5 V" mean ?

In our QSF file below mentioned by earlier Fpga engineers :

Now we have mix of 2.5V, 1.8V and 3.3V now

set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "2.5 V"

should we remove this statement from qsf file ? our quartus version is 9.0 sp2 .

1 Reply

  • YuanLi_S_Intel's avatar
    YuanLi_S_Intel
    Icon for Regular Contributor rankRegular Contributor
    6 years ago

    Hi Kuluru,

    No, you shouldnt if you have 2.5V I/O standard in your design. Moreover, it is not recommended to modify QSF file if you are setting the I/O in pin planner.

    Thank You.