fre_hwtest_decoder.ucf

bch 编码和译码

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
#NET "sync_core"  LOC = "ac4" | IOSTANDARD = LVTTL  | SLEW = SLOW  | DRIVE = 12 ;
#NET "errout"  LOC = "ac3" | IOSTANDARD = LVTTL  | DRIVE = 12  | SLEW = SLOW ;
NET "clk"  LOC = "aj15" | IOSTANDARD = LVCMOS25 ;
#NET "dec_rdy"  LOC = "AA6" | IOSTANDARD = LVTTL  | DRIVE = 12  | SLEW = SLOW ;
#NET "lock"  LOC = "AA5" | IOSTANDARD = LVTTL  | DRIVE = 12  | SLEW = SLOW ;
NET "reset"  LOC = "AG5" | IOSTANDARD = LVTTL ;
#NET "sw4<0>"  LOC = "AC11" | IOSTANDARD = LVCMOS25 ;
#NET "sw4<1>"  LOC = "AD11" | IOSTANDARD = LVCMOS25 ;
#NET "sw4<2>"  LOC = "AF8" | IOSTANDARD = LVCMOS25 ;
#NET "sw4<3>"  LOC = "AF9" | IOSTANDARD = LVCMOS25 ;

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE