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Altera_Forum
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10 years ago

QSys - Pin Planner won't accept PIN_W27 for PCIe Reset Input -Cyclone V GX DevelBoard

Hi, I have a problem with the pin assignment using Altera’s Pin Planner. I tried to set up a simple PCI express application with QSys and Quartus II. After set up the application, I would ...
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Altera_Forum
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10 years ago

Wait, scratch that, that is exactly it. W27 is nothing special, which is exactly the issue.

W24 is the nPERSTL1 pin on the FPGA. The PERSTN pin must be on one of the nPERSTLx pins, so you cannot use W27. I presume there is an error in the board reference guide. You could always download the kit files and have a look at the schematic to see if the PERSTN signal is indeed connected to W24.