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Resource Usage Report for tb 

Mapping to part: gw1n_9lqfp144-6
Cell usage:
ALU             123 uses
DFF             23 uses
DFFC            334 uses
DFFCE           138 uses
DFFP            5 uses
DFFS            9 uses
FLASH608K       1 use
GSR             1 use
INV             2 uses
LUT2            49 uses
LUT3            159 uses
LUT4            342 uses

I/O ports: 36
I/O primitives: 36
IBUF           4 uses
OBUF           32 uses

I/O Register bits:                  0
Register bits not including I/Os:   509 of 6480 (7%)

@S |Mapping Summary:
Total  LUTs: 550 (6%)

