Altera Quartus II Settings File - Manual (Page 173)

SYNTHESIS_KEEP_SYNCH_CLEAR_PRESET_BEHAVIOR_IN_UNMAPPER
When this option is set to On, synthesis will keep the synchronous clear/preset behavior when remap I/O
wysiwyg primitives (from other device families) using DDIO INPUT feature to the targeted device family.
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
SYNTHESIS_KEEP_SYNCH_CLEAR_PRESET_BEHAVIOR_IN_UNMAPPER -entity <entity name> <value>
set_instance_assignment -name
SYNTHESIS_KEEP_SYNCH_CLEAR_PRESET_BEHAVIOR_IN_UNMAPPER -to <to> -entity <entity
name> <value>
set_global_assignment -name
SYNTHESIS_KEEP_SYNCH_CLEAR_PRESET_BEHAVIOR_IN_UNMAPPER <value>
Example
set_global_assignment -name
synthesis_keep_synch_clear_preset_behavior_in_unmapper on
set_instance_assignment -name
synthesis_keep_synch_clear_preset_behavior_in_unmapper on -to foo
MNL-Q21005
2015.05.04
SYNTHESIS_KEEP_SYNCH_CLEAR_PRESET_BEHAVIOR_IN_UNMAPPER 173
Quartus Settings File Reference Manual Altera Corporation
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