Altera Quartus II Settings File - Manual (Page 797)

WEAK_PULL_UP_RESISTOR
Enables the weak pull-up resistor when the device is operating in user mode. This option pulls a high-
impedance bus signal to VCC. The Weak Pull-Up Resistor option should not be used at the same time as
the Enable Bus-Hold Circuitry option. This option is ignored if it is applied to anything other than a pin.
Type
Boolean
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment supports Fitter wildcards.
This assignment is included in the Fitter report.
Syntax
set_global_assignment -name WEAK_PULL_UP_RESISTOR <value>
set_global_assignment -name WEAK_PULL_UP_RESISTOR -entity <entity name>
<value>
set_instance_assignment -name WEAK_PULL_UP_RESISTOR -to <to> -entity
<entity name> <value>
Default Value
Off
Example
set_instance_assignment -name WEAK_PULL_UP_RESISTOR ON -to pin
MNL-Q21005
2015.05.04
WEAK_PULL_UP_RESISTOR 797
Quartus Settings File Reference Manual Altera Corporation
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