Altera® Quartus® Prime Standard Edition Settings File Reference Manual

ID 683084
Date 5/08/2017
Public
Document Table of Contents

1.2.145. 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

  • Arria 10
  • Arria GX
  • Arria II GX
  • Arria II GZ
  • Arria V
  • Arria V GZ
  • Cyclone
  • Cyclone 10 LP
  • Cyclone II
  • Cyclone III
  • Cyclone III LS
  • Cyclone IV E
  • Cyclone IV GX
  • Cyclone V
  • HardCopy II
  • HardCopy III
  • HardCopy IV
  • MAX 10
  • MAX II
  • MAX V
  • Stratix
  • Stratix GX
  • Stratix II
  • Stratix II GX
  • Stratix III
  • Stratix IV
  • Stratix V

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