Altera Quartus II Settings File - Manual (Page 954)

FAST_OCT_REGISTER
Implements an OCT register in a cell that has a fast, direct connection to an I/O pin. Turning on the Fast
OCT Register option can help maximize I/O timing performance, for example, by permitting fast clock-
to-output times. Turning this option off for a particular signal prevents the Fitter from implementing the
signal automatically in an I/O cell. This option is ignored if it is applied to anything other than a register
or an output or bidirectional pin fed by a register.
Type
Boolean
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment supports Fitter wildcards.
Syntax
set_instance_assignment -name FAST_OCT_REGISTER -to <to> -entity <entity
name> <value>
954 FAST_OCT_REGISTER
MNL-Q21005
2015.05.04
Altera Corporation Quartus Settings File Reference Manual
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