Pin Assignment failed to be downloaded to the FPGA board

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Hi, All,

I am using the Cyclone II DE board and had a strange problem.

Once I changed the pin assignment, e.g., I changed the reset signal from push button KEY0 to KEY1; then I re-compiled the project and downloaded it again on to the board. Surprisingly, when I monitored the signals using SignalTap, it seemed that the "reset" signal was still controlled by the previous setting, namely KEY0, how come??

I tried to download again and again but seems the pin assignment never got changed to tally with my new assignments. I am now really confused, really hope some one could help~ =)

Thanks a lot!

Regards

grit

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first have look into the <>.pin file. It is locaterd in the Quartus RunDir. Search for your signal and check whether the assignment changed or not.

If not, how do you change the assignment ? Using the Assignment Editor ? Which Version of Quartus do you use ?

Kind regards

GPK