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Spartan-3E500 regarding IO ports

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a.wagih

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i am using spartan-3E500 in a project where i need to control some devices and monitor them...i am using opb_gpio...but the problem is the IO pins located on J1, J2 and J4 doesnt react to the input...i assert a logical high (3.3v) on the pins but nothing happens...and for testing i tried to connect the DIP switches using opb_gpio and yet nothing happened...
need help please...thanks in advance,,,
 

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