_pace.ucf

状态机的应用

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
NET "CLK"  LOC = "c9" | IOSTANDARD = LVTTL ;
NET "data<0>"  LOC = "r15" | IOSTANDARD = LVTTL ;
NET "data<1>"  LOC = "r16" | IOSTANDARD = LVTTL ;
NET "data<2>"  LOC = "p17" | IOSTANDARD = LVTTL ;
NET "data<3>"  LOC = "m15" | IOSTANDARD = LVTTL ;
NET "LCD_EN"  LOC = "m18" | IOSTANDARD = LVTTL ;
NET "LCD_RS"  LOC = "l18" | IOSTANDARD = LVTTL ;
NET "LCD_RW"  LOC = "l17" | IOSTANDARD = LVTTL ;
NET "Reset"  LOC = "l13" | IOSTANDARD = LVTTL ;

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE