Altera Quartus II Settings File - Manual (Page 723)

RESERVE_NWS_NRS_NCS_CS_AFTER_CONFIGURATION
Specifies how the nWS, nRS, nCS, and CS pins should be used when the device is operating in user mode
after configuration is complete. Depending on the current device and configuration scheme, these pins
can be reserved as regular I/O pins, as inputs that are tri-stated, as outputs that drive ground, or as
outputs that drive an unspecified signal. If this pin is reserved as a regular I/O pin, the nWS, nRS, nCS,
and CS pins can be used as ordinary I/O pins after configuration.
Type
Enumeration
Values
• As input tri-stated
• As output driving an unspecified signal
• As output driving ground
• Use as regular IO
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
None
Syntax
set_global_assignment -name RESERVE_NWS_NRS_NCS_CS_AFTER_CONFIGURATION
<value>
Default Value
Use as regular IO
MNL-Q21005
2015.05.04
RESERVE_NWS_NRS_NCS_CS_AFTER_CONFIGURATION 723
Quartus Settings File Reference Manual Altera Corporation
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