Altera Quartus II Settings File - Manual (Page 587)

GXB_0PPM_CLOCK_GROUP
Specifies a group of GXB core clocks that have zero(0) PPM difference. The clock driver source specified
in the GXB 0 PPM clock group driver must have a difference of 0 PPM compared with all clocks specified
in the GXB 0 PPM clock group. You must connect the specified clock driver to all specified destinations in
the GXB 0 PPM clock group. Do not reconfigure the GXB 0 PPM clock group driver differently from
other clocks in the GXB 0 PPM clock group and disable the GXB 0 PPM clock group driver source when
the destination GXB receiver or transmitter is listening to the signal. Follow the Altera High Speed I/O
Applications Technical Support recommendations when using this assignment.
Type
Integer
Device Support
This setting can be used in projects targeting any Altera device family.
Notes
This assignment supports Fitter wildcards.
This assignment supports synthesis wildcards.
Syntax
set_instance_assignment -name GXB_0PPM_CLOCK_GROUP -to <to> -entity <entity
name> <value>
MNL-Q21005
2015.05.04
GXB_0PPM_CLOCK_GROUP 587
Quartus Settings File Reference Manual Altera Corporation
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