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Altera_Forum
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15 years ago

How to switch on "weak pullups" for Cyclone in Quartus 10SP1

Hello, I am doing a development using a Cylclone EP1C3T100. I am using Quartus 10 SP 1 My design needs a few DIP switches, and so I thought that I can use the internal pull-ups to get th...
Altera_Forum's avatar
Altera_Forum
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15 years ago

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Can't place I/O pin osc_clk at pin location 10 -- I/O pin uses weak pullup, which is not supported by this pin location

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Yes it's true. Pin10 is a dedicated clock input. Weak pull-up isn't supported for clock pins, only for general I/O pins.