_pace.ucf

交通灯控制,在A和B方向各用数码管显示剩余的时间.

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
NET "AG"  LOC = "p66"  ;
NET "AL"  LOC = "p75"  ;
NET "AR"  LOC = "p83"  ;
NET "AY"  LOC = "p79"  ;
NET "BG"  LOC = "p67"  ;
NET "BL"  LOC = "p74"  ;
NET "BR"  LOC = "p80"  ;
NET "BY"  LOC = "p78"  ;
NET "CLK"  LOC = "p18"  ;
NET "RST"  LOC = "p3"  ;
NET "SEG<0>"  LOC = "p140"  ;
NET "SEG<1>"  LOC = "p139"  ;
NET "SEG<2>"  LOC = "p141"  ;
NET "SEG<3>"  LOC = "p4"  ;
NET "SEG<4>"  LOC = "p5"  ;
NET "SEG<5>"  LOC = "p6"  ;
NET "SEG<6>"  LOC = "p7"  ;
NET "sel<0>"  LOC = "p21"  ;
NET "sel<1>"  LOC = "p20"  ;
NET "sel<2>"  LOC = "p19"  ;
NET "sel<3>"  LOC = "p11"  ;

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE