yibutongxin.ucf

用VHDL编写的串口异步通信的例子

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
NET "d<0>"  LOC = "P28"  ; 
NET "d<1>"  LOC = "P27"  ; 
NET "d<2>"  LOC = "P23"  ; 
NET "d<3>"  LOC = "P22"  ; 
NET "d<4>"  LOC = "P21"  ; 
NET "d<5>"  LOC = "P20"  ; 
NET "d<6>"  LOC = "P19"  ; 
NET "d<7>"  LOC = "P16"  ;
NET "fe"  LOC = "P41"  ; 
NET "ldrb"  LOC = "P13"  ; 
NET "ldsr"  LOC = "P12"  ; 
NET "rxbuff<0>"  LOC = "P14"  ; 
NET "rxbuff<1>"  LOC = "P42"  ; 
NET "rxbuff<2>"  LOC = "P40"  ; 
NET "rxbuff<3>"  LOC = "P39"  ; 
NET "rxbuff<4>"  LOC = "P38"  ; 
NET "rxbuff<5>"  LOC = "P37"  ; 
NET "rxbuff<6>"  LOC = "P36"  ; 
NET "rxbuff<7>"  LOC = "P29"  ; 
NET "rxclk"  LOC = "P5"  ; 
NET "sclk"  LOC = "P8"  ; 
NET "sin"  LOC = "P2"  ; 
NET "tran"  LOC = "P3"  ; 
NET "txclk"  LOC = "P6"  ; 

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE