Quartus II Settings File Reference Manual - Altera

6–86 Chapter 6: Fitter Assignments
DQSB_DQS_PAIR
DQSB_DQS_PAIR
Type
Specifies the pairing of a DQSn pin to a DQS pin. The I/O pin of a DQS must be placed
in the DQS pin location of a DQS group; the I/O pin of a DQSn must be placed in the DQSn
pin location of the same DQS group. This option is ignored if is assigned to anything
other than an I/O pad, input buffer, or output buffer.
Boolean
Device Support
This setting can be used in projects targeting the following device families:
■ Arria II GX
■ Arria II GZ
■ Cyclone III
■ Cyclone III LS
■ Cyclone IV E
■ Cyclone IV GX
■ HardCopy III
■ HardCopy IV
■ Stratix III
■ Stratix IV
Notes
This assignment supports wildcards.
Syntax
set_instance_assignment -name DQSB_DQS_PAIR -from -to -entity
Example
set_instance_assignment -name DQSB_DQS_PAIR ON -from mem_dqs_n[0] -to
mem_dqs[0]
See Also
■ “DQ_GROUP” on page 6–90
■ “MEMORY_INTERFACE_DATA_PIN_GROUP” on page 6–205
Quartus Settings File June 2012 Altera Corporation
Reference Manual