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来自「Xilinx ISE 官方源代码盘第八章」· UCF 代码 · 共 16 行

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments

#PACE: Start of PACE Area Constraints
AREA_GROUP "AG_instance_a" RANGE = SLICE_X32Y59:SLICE_X45Y42 ;
INST "instance_a" AREA_GROUP = "AG_instance_a" ;
AREA_GROUP "AG_instance_b" RANGE = SLICE_X16Y59:SLICE_X29Y42 ;
INST "instance_b" AREA_GROUP = "AG_instance_b" ;
AREA_GROUP "AG_instance_c" RANGE = SLICE_X0Y59:SLICE_X13Y42 ;
INST "instance_c" AREA_GROUP = "AG_instance_c" ;

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE