Altera Quartus II Settings File - Manual (Page 175)

SYNTH_CLOCK_MUX_PROTECTION
Causes the multiplexers in the clock network to be decomposed to 2to1 multiplexer trees, and protected
from being merged with, or transferred to, other logic. This option helps the TimeQuest timing analyzer
to understand clock behavior.
Type
Boolean
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment is included in the Analysis & Synthesis report.
Syntax
set_global_assignment -name SYNTH_CLOCK_MUX_PROTECTION <value>
Default Value
On
Example
set_global_assignment -name synth_clock_mux_protection off
MNL-Q21005
2015.05.04
SYNTH_CLOCK_MUX_PROTECTION 175
Quartus Settings File Reference Manual Altera Corporation
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