Altera Quartus II Settings File - Manual (Page 435)

APEX20K_DEVICE_IO_STANDARD
Specifies the default I/O standard to be used for pins on the target device.
Old Name
DEVICE_IO_STANDARD
Type
String
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
The value of this assignment is case sensitive.
Syntax
set_global_assignment -name APEX20K_DEVICE_IO_STANDARD <value>
MNL-Q21005
2015.05.04
APEX20K_DEVICE_IO_STANDARD 435
Quartus Settings File Reference Manual Altera Corporation
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