ps2_e.ucf

含有各类寄存器

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
NET "b"  LOC = "p203"  ;
NET "CLKIN"  LOC = "p182"  ;
NET "digit<0>"  LOC = "p35"  ;
NET "digit<1>"  LOC = "p36"  ;
NET "digit<2>"  LOC = "p40"  ;
NET "digit<3>"  LOC = "p41"  ;
NET "DOUT<0>"  LOC = "p111"  ;
NET "DOUT<1>"  LOC = "p109"  ;
NET "DOUT<2>"  LOC = "p102"  ;
NET "DOUT<3>"  LOC = "p100"  ;
NET "DOUT<4>"  LOC = "p98"  ;
NET "DOUT<5>"  LOC = "p96"  ;
NET "DOUT<6>"  LOC = "p94"  ;
NET "DOUT<7>"  LOC = "p89"  ;
NET "g"  LOC = "p202"  ;
NET "hs"  LOC = "p199"  ;
NET "KBCLK"  LOC = "p205"  ;
NET "KBdata"  LOC = "p204"  ;
NET "LDG"  LOC = "p45"  ;
NET "NUM<0>"  LOC = "p22"  ;
NET "NUM<1>"  LOC = "p20"  ;
NET "NUM<2>"  LOC = "p17"  ;
NET "NUM<3>"  LOC = "p15"  ;
NET "NUM<4>"  LOC = "p10"  ;
NET "NUM<5>"  LOC = "p8"  ;
NET "NUM<6>"  LOC = "p6"  ;
NET "r"  LOC = "p201"  ;
NET "rst"  LOC = "p23"  ;
NET "vs"  LOC = "p200"  ;

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE