Quartus II Settings File Reference Manual - Altera

Chapter 6: Fitter Assignments 6–283
RESERVE_ALL_UNUSED_PINS
RESERVE_ALL_UNUSED_PINS
Type
Reserves all unused pins on the target device in one of 5 states: as inputs that are tristated,
as outputs that drive ground, as outputs that drive an unspecified signal, as
input tri-stated with bus-hold, or as input tri-stated with weak pull-up.
Enumeration
Device Support
■ As input tri-stated
■ As input tri-stated with bus-hold
■ As input tri-stated with weak pull-up
■ As output driving an unspecified signal
■ As output driving ground
This setting can be used in projects targeting the following device families:
■ Arria GX
■ Cyclone
■ Cyclone II
■ HardCopy II
■ MAX II
■ MAX V
■ MAX7000AE
■ MAX7000B
■ Stratix
■ Stratix GX
■ Stratix II
■ Stratix II GX
Syntax
set_global_assignment -name RESERVE_ALL_UNUSED_PINS
Default Value
As output driving ground
Old Names
This variable also has the following name(s) in some earlier versions of the Quartus II
software:
RESERVED_ALL_UNUSED_PINS
June 2012 Altera Corporation Quartus Settings File
Reference Manual