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Altera_Forum
Honored Contributor
16 years agoFalse high inputs
Using a Cyclone II 2C20F484C7 fpga, and having some trouble with false high inputs. Basically if I have a switch connected, in other words an open line, it seems to default to reading it as a h...
Altera_Forum
Honored Contributor
16 years ago --- Quote Start --- If you need to switch to a high level, an external pull-down resistor is required. --- Quote End --- Sorry for being so thickheaded but when you say switch to a high level, do you mean use a high-enable? Also, if it's ok to ask, how would I activate the FPGA's internal pull-up resistors?