Altera® Quartus® Prime Standard Edition Settings File Reference Manual

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

1.10.194. M144K_BLOCK_READ_CLOCK_DUTY_CYCLE_DEPENDENCY

Allows you to specify whether the M144K memory block read operations depend upon the read clock's duty cycle. When M144K memory blocks are driven by a read clock with a very narrow pulse, they can go into a locked, inactive state. Turning on this option allows the M144K memory blocks to operate dependent upon the read clock's duty cycle to prevent the memory blocks from going into to an inactive state; however, turning on this option may degrade the performance of the M144K blocks.

Type

Enumeration

Values

  • Off
  • On

Device Support

  • Arria II GZ
  • HardCopy IV
  • Stratix IV

Notes

This assignment supports Fitter wildcards.

This assignment is included in the Fitter report.

Syntax


		set_global_assignment -name M144K_BLOCK_READ_CLOCK_DUTY_CYCLE_DEPENDENCY -entity <entity name> <value>
		set_instance_assignment -name M144K_BLOCK_READ_CLOCK_DUTY_CYCLE_DEPENDENCY -to <to> -entity <entity name> <value>
		set_global_assignment -name M144K_BLOCK_READ_CLOCK_DUTY_CYCLE_DEPENDENCY <value>
	

Default Value

Off