Altera Quartus II Settings File Manuel d'utilisateur télécharger pdf (Page 46)

AUTO_GLOBAL_CLOCK_MAX

Allows the Compiler to choose the signal that feeds the most clock inputs to flipflops as a global clock

signal that is made available throughout the device on the global routing paths. If you want to prevent the

Compiler from automatically selecting a particular signal as global clock, set the Global Signal option to

'Off' on that signal.

Old Name

Auto Global Clock -- MAX 7000B/7000AE/3000A/7000S/7000A

Type

Boolean

Device Support

This setting can be used in projects targeting any Altera device family.

Notes

This assignment supports synthesis wildcards.

Syntax

set_global_assignment -name AUTO_GLOBAL_CLOCK_MAX <value>

set_global_assignment -name AUTO_GLOBAL_CLOCK_MAX -entity <entity name>

<value>

set_instance_assignment -name AUTO_GLOBAL_CLOCK_MAX -to <to> -entity

Default Value

Example

set_global_assignment -name auto_global_clock_max off

set_instance_assignment -name auto_global_clock_max off -to foo

AUTO_GLOBAL_CLOCK_MAX

MNL-Q21005

2015.05.04

Altera Corporation

Quartus Settings File Reference Manual

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Altera Quartus II Settings File Manuel d'utilisateur Page 46