#
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#
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# eco32.ucf -- ECO32 user constraints for XSA-3S1000 + XST-3 board
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# eco32.ucf -- ECO32 user constraints for XSA-3S1000 + XST-3 board
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#
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#
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#
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#
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# clock and reset
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# clock and reset
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#
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#
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NET "clk_in" PERIOD = 20.0ns HIGH 40%;
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NET "clk_in" PERIOD = 20.0ns HIGH 40%;
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NET "clk_in" LOC = "p8";
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NET "clk_in" LOC = "p8";
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NET "reset_inout_n" LOC = "d15";
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NET "reset_inout_n" LOC = "d15";
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#
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#
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# SDRAM
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# SDRAM
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#
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#
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NET "sdram_a<0>" LOC = "b5";
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NET "sdram_a<0>" LOC = "b5";
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NET "sdram_a<1>" LOC = "a4";
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NET "sdram_a<1>" LOC = "a4";
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NET "sdram_a<2>" LOC = "b4";
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NET "sdram_a<2>" LOC = "b4";
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NET "sdram_a<3>" LOC = "e6";
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NET "sdram_a<3>" LOC = "e6";
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NET "sdram_a<4>" LOC = "e3";
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NET "sdram_a<4>" LOC = "e3";
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NET "sdram_a<5>" LOC = "c1";
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NET "sdram_a<5>" LOC = "c1";
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NET "sdram_a<6>" LOC = "e4";
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NET "sdram_a<6>" LOC = "e4";
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NET "sdram_a<7>" LOC = "d3";
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NET "sdram_a<7>" LOC = "d3";
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NET "sdram_a<8>" LOC = "c2";
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NET "sdram_a<8>" LOC = "c2";
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NET "sdram_a<9>" LOC = "a3";
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NET "sdram_a<9>" LOC = "a3";
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NET "sdram_a<10>" LOC = "b6";
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NET "sdram_a<10>" LOC = "b6";
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NET "sdram_a<11>" LOC = "c5";
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NET "sdram_a<11>" LOC = "c5";
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NET "sdram_a<12>" LOC = "c6";
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NET "sdram_a<12>" LOC = "c6";
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NET "sdram_ba<0>" LOC = "a7";
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NET "sdram_ba<0>" LOC = "a7";
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NET "sdram_ba<1>" LOC = "c7";
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NET "sdram_ba<1>" LOC = "c7";
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NET "sdram_cas_n" LOC = "a10";
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NET "sdram_cas_n" LOC = "a10";
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NET "sdram_cke" LOC = "d7";
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NET "sdram_cke" LOC = "d7";
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NET "sdram_clk" LOC = "e10";
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NET "sdram_clk" LOC = "e10";
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NET "sdram_cs_n" LOC = "b8";
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NET "sdram_cs_n" LOC = "b8";
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NET "sdram_dq<0>" LOC = "c15";
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NET "sdram_dq<0>" LOC = "c15";
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NET "sdram_dq<1>" LOC = "d12";
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NET "sdram_dq<1>" LOC = "d12";
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NET "sdram_dq<2>" LOC = "a14";
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NET "sdram_dq<2>" LOC = "a14";
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NET "sdram_dq<3>" LOC = "b13";
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NET "sdram_dq<3>" LOC = "b13";
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NET "sdram_dq<4>" LOC = "d11";
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NET "sdram_dq<4>" LOC = "d11";
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NET "sdram_dq<5>" LOC = "a12";
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NET "sdram_dq<5>" LOC = "a12";
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NET "sdram_dq<6>" LOC = "c11";
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NET "sdram_dq<6>" LOC = "c11";
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NET "sdram_dq<7>" LOC = "d10";
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NET "sdram_dq<7>" LOC = "d10";
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NET "sdram_dq<8>" LOC = "b11";
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NET "sdram_dq<8>" LOC = "b11";
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NET "sdram_dq<9>" LOC = "b12";
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NET "sdram_dq<9>" LOC = "b12";
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NET "sdram_dq<10>" LOC = "c12";
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NET "sdram_dq<10>" LOC = "c12";
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NET "sdram_dq<11>" LOC = "b14";
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NET "sdram_dq<11>" LOC = "b14";
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NET "sdram_dq<12>" LOC = "d14";
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NET "sdram_dq<12>" LOC = "d14";
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NET "sdram_dq<13>" LOC = "c16";
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NET "sdram_dq<13>" LOC = "c16";
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NET "sdram_dq<14>" LOC = "f12";
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NET "sdram_dq<14>" LOC = "f12";
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NET "sdram_dq<15>" LOC = "f13";
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NET "sdram_dq<15>" LOC = "f13";
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NET "sdram_fb" LOC = "n8";
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NET "sdram_fb" LOC = "n8";
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NET "sdram_ldqm" LOC = "c10";
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NET "sdram_ldqm" LOC = "c10";
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NET "sdram_ras_n" LOC = "a9";
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NET "sdram_ras_n" LOC = "a9";
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NET "sdram_udqm" LOC = "d9";
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NET "sdram_udqm" LOC = "d9";
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NET "sdram_we_n" LOC = "b10";
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NET "sdram_we_n" LOC = "b10";
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#
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#
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# flash ROM
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# flash ROM
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#
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#
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NET "flash_a<0>" LOC = "n5";
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NET "flash_a<0>" LOC = "n5";
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NET "flash_a<1>" LOC = "k14";
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NET "flash_a<1>" LOC = "k14";
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NET "flash_a<2>" LOC = "k13";
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NET "flash_a<2>" LOC = "k13";
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NET "flash_a<3>" LOC = "k12";
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NET "flash_a<3>" LOC = "k12";
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NET "flash_a<4>" LOC = "l14";
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NET "flash_a<4>" LOC = "l14";
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NET "flash_a<5>" LOC = "m16";
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NET "flash_a<5>" LOC = "m16";
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NET "flash_a<6>" LOC = "l13";
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NET "flash_a<6>" LOC = "l13";
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NET "flash_a<7>" LOC = "n16";
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NET "flash_a<7>" LOC = "n16";
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NET "flash_a<8>" LOC = "n14";
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NET "flash_a<8>" LOC = "n14";
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NET "flash_a<9>" LOC = "p15";
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NET "flash_a<9>" LOC = "p15";
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NET "flash_a<10>" LOC = "r16";
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NET "flash_a<10>" LOC = "r16";
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NET "flash_a<11>" LOC = "p14";
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NET "flash_a<11>" LOC = "p14";
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NET "flash_a<12>" LOC = "p13";
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NET "flash_a<12>" LOC = "p13";
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NET "flash_a<13>" LOC = "n12";
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NET "flash_a<13>" LOC = "n12";
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NET "flash_a<14>" LOC = "t14";
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NET "flash_a<14>" LOC = "t14";
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NET "flash_a<15>" LOC = "r13";
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NET "flash_a<15>" LOC = "r13";
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NET "flash_a<16>" LOC = "n10";
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NET "flash_a<16>" LOC = "n10";
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NET "flash_a<17>" LOC = "m14";
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NET "flash_a<17>" LOC = "m14";
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NET "flash_a<18>" LOC = "k3";
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NET "flash_a<18>" LOC = "k3";
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NET "flash_a<19>" LOC = "k4";
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NET "flash_a<19>" LOC = "k4";
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NET "flash_byte_n" LOC = "t8";
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NET "flash_byte_n" LOC = "t8";
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NET "flash_ce_n" LOC = "r4";
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NET "flash_ce_n" LOC = "r4";
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NET "flash_d<0>" LOC = "m11";
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NET "flash_d<0>" LOC = "m11";
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NET "flash_d<1>" LOC = "n11";
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NET "flash_d<1>" LOC = "n11";
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NET "flash_d<2>" LOC = "p10";
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NET "flash_d<2>" LOC = "p10";
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NET "flash_d<3>" LOC = "r10";
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NET "flash_d<3>" LOC = "r10";
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NET "flash_d<4>" LOC = "t7";
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NET "flash_d<4>" LOC = "t7";
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NET "flash_d<5>" LOC = "r7";
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NET "flash_d<5>" LOC = "r7";
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NET "flash_d<6>" LOC = "n6";
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NET "flash_d<6>" LOC = "n6";
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NET "flash_d<7>" LOC = "m6";
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NET "flash_d<7>" LOC = "m6";
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NET "flash_d<8>" LOC = "t4";
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NET "flash_d<8>" LOC = "t4";
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NET "flash_d<9>" LOC = "r5";
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NET "flash_d<9>" LOC = "r5";
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NET "flash_d<10>" LOC = "t5";
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NET "flash_d<10>" LOC = "t5";
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NET "flash_d<11>" LOC = "p6";
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NET "flash_d<11>" LOC = "p6";
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NET "flash_d<12>" LOC = "m7";
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NET "flash_d<12>" LOC = "m7";
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NET "flash_d<13>" LOC = "r6";
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NET "flash_d<13>" LOC = "r6";
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NET "flash_d<14>" LOC = "n7";
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NET "flash_d<14>" LOC = "n7";
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NET "flash_d<15>" LOC = "p7";
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NET "flash_d<15>" LOC = "p7";
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NET "flash_oe_n" LOC = "p5";
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NET "flash_oe_n" LOC = "p5";
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NET "flash_rst_n" LOC = "p16";
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NET "flash_rst_n" LOC = "p16";
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NET "flash_we_n" LOC = "m13";
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NET "flash_we_n" LOC = "m13";
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#
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#
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# VGA display
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# VGA display
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#
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#
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NET "vga_hsync" LOC = "b7";
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NET "vga_hsync" LOC = "b7";
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NET "vga_vsync" LOC = "d8";
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NET "vga_vsync" LOC = "d8";
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NET "vga_r<0>" LOC = "c8";
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NET "vga_r<0>" LOC = "c8";
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NET "vga_r<1>" LOC = "d6";
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NET "vga_r<1>" LOC = "d6";
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NET "vga_r<2>" LOC = "b1";
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NET "vga_r<2>" LOC = "b1";
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NET "vga_g<0>" LOC = "a8";
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NET "vga_g<0>" LOC = "a8";
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NET "vga_g<1>" LOC = "a5";
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NET "vga_g<1>" LOC = "a5";
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NET "vga_g<2>" LOC = "c3";
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NET "vga_g<2>" LOC = "c3";
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NET "vga_b<0>" LOC = "c9";
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NET "vga_b<0>" LOC = "c9";
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NET "vga_b<1>" LOC = "e7";
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NET "vga_b<1>" LOC = "e7";
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NET "vga_b<2>" LOC = "d5";
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NET "vga_b<2>" LOC = "d5";
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#
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#
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# keyboard
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# keyboard
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#
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#
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NET "ps2_clk" LOC = "b16";
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NET "ps2_clk" LOC = "b16";
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NET "ps2_data" LOC = "e13";
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NET "ps2_data" LOC = "e13";
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#
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#
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# serial line 0
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# serial line 0
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#
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#
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NET "rs232_0_rxd" LOC = "g5";
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NET "rs232_0_rxd" LOC = "g5";
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NET "rs232_0_txd" LOC = "j2";
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NET "rs232_0_txd" LOC = "j2";
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#
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#
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# serial line 1
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# serial line 1
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#
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#
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NET "rs232_1_rxd" LOC = "d1";
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NET "rs232_1_rxd" LOC = "d1";
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NET "rs232_1_txd" LOC = "f4";
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NET "rs232_1_txd" LOC = "f4";
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#
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#
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# disk, ethernet, etc.
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# disk, ethernet, etc.
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#
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#
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NET "ata_cs0_n" LOC = "g15";
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NET "ata_cs0_n" LOC = "g15";
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NET "ata_cs1_n" LOC = "g14";
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NET "ata_cs1_n" LOC = "g14";
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NET "ata_dmack_n" LOC = "k1";
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NET "ata_dmack_n" LOC = "k1";
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NET "ata_dmarq" LOC = "l4";
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NET "ata_dmarq" LOC = "l4";
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NET "ata_intrq" LOC = "h15";
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NET "ata_intrq" LOC = "h15";
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NET "ata_iordy" LOC = "l2";
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NET "ata_iordy" LOC = "l2";
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NET "ether_cs_n" LOC = "g13";
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NET "ether_cs_n" LOC = "g13";
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NET "pbus_a<0>" LOC = "l5";
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NET "pbus_a<0>" LOC = "l5";
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NET "pbus_a<1>" LOC = "n2";
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NET "pbus_a<1>" LOC = "n2";
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NET "pbus_a<2>" LOC = "m3";
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NET "pbus_a<2>" LOC = "m3";
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NET "pbus_a<3>" LOC = "n1";
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NET "pbus_a<3>" LOC = "n1";
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NET "pbus_a<4>" LOC = "t13";
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NET "pbus_a<4>" LOC = "t13";
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NET "pbus_d<0>" LOC = "p12";
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NET "pbus_d<0>" LOC = "p12";
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NET "pbus_d<10>" LOC = "f3";
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NET "pbus_d<10>" LOC = "f3";
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NET "pbus_d<11>" LOC = "f2";
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NET "pbus_d<11>" LOC = "f2";
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NET "pbus_d<12>" LOC = "g4";
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NET "pbus_d<12>" LOC = "g4";
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NET "pbus_d<13>" LOC = "g3";
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NET "pbus_d<13>" LOC = "g3";
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NET "pbus_d<14>" LOC = "g1";
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NET "pbus_d<14>" LOC = "g1";
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NET "pbus_d<15>" LOC = "h4";
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NET "pbus_d<15>" LOC = "h4";
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NET "pbus_d<1>" LOC = "j1";
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NET "pbus_d<1>" LOC = "j1";
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NET "pbus_d<2>" LOC = "h1";
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NET "pbus_d<2>" LOC = "h1";
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NET "pbus_d<3>" LOC = "h3";
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NET "pbus_d<3>" LOC = "h3";
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NET "pbus_d<4>" LOC = "g2";
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NET "pbus_d<4>" LOC = "g2";
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NET "pbus_d<5>" LOC = "k15";
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NET "pbus_d<5>" LOC = "k15";
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NET "pbus_d<6>" LOC = "k16";
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NET "pbus_d<6>" LOC = "k16";
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NET "pbus_d<7>" LOC = "f15";
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NET "pbus_d<7>" LOC = "f15";
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NET "pbus_d<8>" LOC = "e2";
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NET "pbus_d<8>" LOC = "e2";
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NET "pbus_d<9>" LOC = "e1";
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NET "pbus_d<9>" LOC = "e1";
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NET "pbus_read_n" LOC = "p2";
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NET "pbus_read_n" LOC = "p2";
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NET "pbus_write_n" LOC = "r1";
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NET "pbus_write_n" LOC = "r1";
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NET "slot1_cs_n" LOC = "e15";
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NET "slot1_cs_n" LOC = "e15";
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NET "slot2_cs_n" LOC = "d16";
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NET "slot2_cs_n" LOC = "d16";
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#
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#
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# board I/O
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# board I/O
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#
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#
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NET "sw1_3" LOC = "k2";
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NET "sw1_3" LOC = "k2";
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NET "sw1_4" LOC = "j4";
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NET "sw1_4" LOC = "j4";
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NET "sw2_n" LOC = "e11";
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NET "sw2_n" LOC = "e11";
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NET "sw3_n" LOC = "a13";
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NET "sw3_n" LOC = "a13";
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