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Altera_Forum's avatar
Altera_Forum
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17 years ago

CIII device driving user I/O to low.

Hi all, I am using Cyclone III device and in I/O assignment, I assigned Pin L3 as INPUT and is pulled up to 3.3V with an external 20kohm pullup resistor. After reconfiguration of the device(en...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

It's a regular I/O pin. There must be some other condition not said in your post. Are you sure that it's 1V DC? Or did you enable bus-hold for the pin?