correlate_and_accumulate.ucf

如何使用ISE和FPGA使用指南

########################################################################
#
#		Step 1
#	Global Timing Constraints
#
########################################################################

NET "rd_clk" TNM_NET = "rd_clk";
TIMESPEC "TS_rd_clk" = PERIOD "rd_clk" 8.75 ns HIGH 50 %;
OFFSET = OUT 5 ns AFTER "rd_clk"  ;
NET "wr_clk_cha" TNM_NET = "wr_clk_cha";
TIMESPEC "TS_wr_clk_cha" = PERIOD "wr_clk_cha" 15 ns HIGH 50 %;
NET "wr_clk_chb" TNM_NET = "wr_clk_chb";
TIMESPEC "TS_wr_clk_chb" = PERIOD "wr_clk_chb" 15 ns HIGH 50 %;
NET "wr_clk_chc" TNM_NET = "wr_clk_chc";
TIMESPEC "TS_wr_clk_chc" = PERIOD "wr_clk_chc" 15 ns HIGH 50 %;
NET "wr_clk_chd" TNM_NET = "wr_clk_chd";
TIMESPEC "TS_wr_clk_chd" = PERIOD "wr_clk_chd" 15 ns HIGH 50 %;
OFFSET = IN 7.5 ns BEFORE "wr_clk_chd"  ;
OFFSET = IN 7.5 ns BEFORE "wr_clk_chc"  ;
OFFSET = IN 7.5 ns BEFORE "wr_clk_chb"  ;
OFFSET = IN 7.5 ns BEFORE "wr_clk_cha"  ;

#########################################################################
#
#		Pin Assignments
#
#########################################################################

NET "data_cha" LOC = "m3";
NET "data_chb" LOC = "j16";
NET "data_chc" LOC = "p15";
NET "data_chd" LOC = "j1";
NET "final_data[0]" LOC = "b11";
NET "final_data[1]" LOC = "a10";
NET "final_data[2]" LOC = "a7";
NET "final_data[3]" LOC = "a9";
NET "final_data[4]" LOC = "c8";
NET "final_data[5]" LOC = "j4";
NET "final_data[6]" LOC = "b10";
NET "final_data[7]" LOC = "d8";
NET "mac_cha[0]" LOC = "p1";
NET "mac_cha[10]" LOC = "e10";
NET "mac_cha[11]" LOC = "c5";
NET "mac_cha[12]" LOC = "b5";
NET "mac_cha[13]" LOC = "c10";
NET "mac_cha[14]" LOC = "c7";
NET "mac_cha[15]" LOC = "e7";
NET "mac_cha[16]" LOC = "b6";
NET "mac_cha[17]" LOC = "a5";
NET "mac_cha[18]" LOC = "e6";
NET "mac_cha[19]" LOC = "d6";
NET "mac_cha[1]" LOC = "f2";
NET "mac_cha[20]" LOC = "d7";
NET "mac_cha[2]" LOC = "f3";
NET "mac_cha[3]" LOC = "g2";
NET "mac_cha[4]" LOC = "h3";
NET "mac_cha[5]" LOC = "f5";
NET "mac_cha[6]" LOC = "d10";
NET "mac_cha[7]" LOC = "b7";
NET "mac_cha[8]" LOC = "d5";
NET "mac_cha[9]" LOC = "c6";
NET "mac_chb[0]" LOC = "p2";
NET "mac_chb[10]" LOC = "a12";
NET "mac_chb[11]" LOC = "d16";
NET "mac_chb[12]" LOC = "g13";
NET "mac_chb[13]" LOC = "e13";
NET "mac_chb[14]" LOC = "f14";
NET "mac_chb[15]" LOC = "f15";
NET "mac_chb[16]" LOC = "e14";
NET "mac_chb[17]" LOC = "f13";
NET "mac_chb[18]" LOC = "e15";
NET "mac_chb[19]" LOC = "f12";
NET "mac_chb[1]" LOC = "h14";
NET "mac_chb[20]" LOC = "e16";
NET "mac_chb[2]" LOC = "h15";
NET "mac_chb[3]" LOC = "h13";
NET "mac_chb[4]" LOC = "h16";
NET "mac_chb[5]" LOC = "g15";
NET "mac_chb[6]" LOC = "g14";
NET "mac_chb[7]" LOC = "b12";
NET "mac_chb[8]" LOC = "g16";
NET "mac_chb[9]" LOC = "g12";
NET "mac_chc[0]" LOC = "n3";
NET "mac_chc[10]" LOC = "t10";
NET "mac_chc[11]" LOC = "t12";
NET "mac_chc[12]" LOC = "m11";
NET "mac_chc[13]" LOC = "p8";
NET "mac_chc[14]" LOC = "p9";
NET "mac_chc[15]" LOC = "t9";
NET "mac_chc[16]" LOC = "p11";
NET "mac_chc[17]" LOC = "r10";
NET "mac_chc[18]" LOC = "r11";
NET "mac_chc[19]" LOC = "p10";
NET "mac_chc[1]" LOC = "m10";
NET "mac_chc[20]" LOC = "n9";
NET "mac_chc[2]" LOC = "p12";
NET "mac_chc[3]" LOC = "r12";
NET "mac_chc[4]" LOC = "n12";
NET "mac_chc[5]" LOC = "t14";
NET "mac_chc[6]" LOC = "t8";
NET "mac_chc[7]" LOC = "n11";
NET "mac_chc[8]" LOC = "n10";
NET "mac_chc[9]" LOC = "r9";
NET "mac_chd[0]" LOC = "n2";
NET "mac_chd[10]" LOC = "g3";
NET "mac_chd[11]" LOC = "g5";
NET "mac_chd[12]" LOC = "e2";
NET "mac_chd[13]" LOC = "g4";
NET "mac_chd[14]" LOC = "d3";
NET "mac_chd[15]" LOC = "e3";
NET "mac_chd[16]" LOC = "d2";
NET "mac_chd[17]" LOC = "c3";
NET "mac_chd[18]" LOC = "f4";
NET "mac_chd[19]" LOC = "d1";
NET "mac_chd[1]" LOC = "k2";
NET "mac_chd[20]" LOC = "e4";
NET "mac_chd[2]" LOC = "k3";
NET "mac_chd[3]" LOC = "k4";
NET "mac_chd[4]" LOC = "k1";
NET "mac_chd[5]" LOC = "k5";
NET "mac_chd[6]" LOC = "e1";
NET "mac_chd[7]" LOC = "h4";
NET "mac_chd[8]" LOC = "j2";
NET "mac_chd[9]" LOC = "h1";
NET "mac_dv[0]" LOC = "g1";
NET "mac_dv[1]" LOC = "t13";
NET "mac_dv[2]" LOC = "j13";
NET "mac_dv[3]" LOC = "l3";
NET "rd_clk" LOC = "n8";
NET "reset" LOC = "r1";
NET "valid_ch[0]" LOC = "r6";
NET "valid_ch[1]" LOC = "j3";
NET "valid_ch[2]" LOC = "c11";
NET "valid_ch[3]" LOC = "e11";
NET "wr_clk_cha" LOC = "d9";
NET "wr_clk_chb" LOC = "c9";
NET "wr_clk_chc" LOC = "a8";
NET "wr_clk_chd" LOC = "b8";