Quartus II Settings File Reference Manual - Altera

Chapter 6: Fitter Assignments 6–375
WEAK_PULL_UP_RESISTOR
WEAK_PULL_UP_RESISTOR
Type
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.
Boolean
Device Support
This setting can be used in projects targeting the following device families:
■ Arria GX
■ Arria II GX
■ Arria II GZ
■ Arria V
■ Cyclone
■ Cyclone II
■ Cyclone III
■ Cyclone III LS
■ Cyclone IV E
■ Cyclone IV GX
■ Cyclone V
■ HardCopy II
■ HardCopy III
■ HardCopy IV
■ MAX II
■ MAX V
■ MAX7000B
■ Stratix
■ Stratix GX
■ Stratix II
■ Stratix II GX
■ Stratix III
■ Stratix IV
■ Stratix V
June 2012 Altera Corporation Quartus Settings File
Reference Manual