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Altera_Forum
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14 years ago

Weak pull-up resistors

Hi everyone! I enabled weak pull-ups for the input and output pin (cyclone II device). But when I measure the voltage on these pins, on the input pin is 3V and on the output pin is 0V. Shouldn...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

if you're driving the output low that would be the expected behavior

my initial thought was that weak pull up resistors only work on inputs, but i don't see anything in the documentation that actually says that

what are you trying to do with pull ups on the outputs?