Altera Quartus II Settings File - Manual (Page 75)

DQS_SHIFT
Specifies the interval of arrival between the DQ data signals and DQS signal during data transfer between
a device and an external RAM that uses double data rate (DDR). This option is ignored if it is applied to
anything other than pins intended for use with the dedicated DDR SDRAM interface.
Type
Enumeration
Values
• Phase of 0 degrees
• Phase of 72 degrees
• Phase of 90 degrees
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
None
Syntax
set_instance_assignment -name DQS_SHIFT -to <to> -entity <entity name>
<value>
MNL-Q21005
2015.05.04
DQS_SHIFT 75
Quartus Settings File Reference Manual Altera Corporation
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