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TOP ( # IOs are ordered from left to right
(IOPIN clk.0 );
(IOPIN clr.0 );
(IOPIN ld.0 );
(IOPIN a(15).0 );
(IOPIN a(14).0 );
(IOPIN a(13).0 );
(IOPIN a(12).0 );
(IOPIN a(11).0 );
(IOPIN a(10).0 );
(IOPIN a(9).0 );
(IOPIN a(8).0 );
(IOPIN a(7).0 );
(IOPIN a(6).0 );
(IOPIN a(5).0 );
(IOPIN a(4).0 );
(IOPIN a(3).0 );
(IOPIN a(2).0 );
(IOPIN a(1).0 );
(IOPIN a(0).0 );
)
BOTTOM ( # IOs are ordered from left to right
(IOPIN result(15).0 );
(IOPIN result(14).0 );
(IOPIN result(13).0 );
(IOPIN result(12).0 );
(IOPIN result(11).0 );
(IOPIN result(10).0 );
(IOPIN result(9).0 );
(IOPIN result(8).0 );
(IOPIN result(7).0 );
(IOPIN result(6).0 );
(IOPIN result(5).0 );
(IOPIN result(4).0 );
(IOPIN result(3).0 );
(IOPIN result(2).0 );
(IOPIN result(1).0 );
(IOPIN result(0).0 );
)
IGNORE ( # IOs are ignored(not placed) by IO Placer
)
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