i2c.ucf

Mars-XC2S50-S-Core-V2.0开发板核心板的说明和设计文档

#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
NET "clk"  LOC = "P18"  ; 
NET "data_in<0>"  LOC = "P100"  ; 
NET "data_in<1>"  LOC = "P99"  ; 
NET "data_in<2>"  LOC = "P96"  ; 
NET "data_in<3>"  LOC = "P95"  ; 
NET "en<0>"  LOC = "p20"  ; 
NET "en<1>"  LOC = "p21"  ; 
NET "en<2>"  LOC = "p19"  ;
NET "en<3>"  LOC = "p11"  ;
NET "en<4>"  LOC = "p12"  ;
NET "en<5>"  LOC = "p13"  ;
NET "en<6>"  LOC = "p22"  ;
NET "en<7>"  LOC = "p23"  ;
NET "rst"  LOC = "p3"  ; 
NET "lowbit"  LOC = "P126"  ; 
NET "rd_input"  LOC = "P131"  ; 
NET "scl"  LOC = "P115"  ; 
NET "sda"  LOC = "P114"  ; 
NET "seg_data<0>"  LOC = "p10"  ; 
NET "seg_data<1>"  LOC = "p7"  ; 
NET "seg_data<2>"  LOC = "p6"  ; 
NET "seg_data<3>"  LOC = "p5"  ; 
NET "seg_data<4>"  LOC = "p4"  ; 
NET "seg_data<5>"  LOC = "p141"  ; 
NET "seg_data<6>"  LOC = "P139"  ; 
NET "seg_data<7>"  LOC = "p140"  ; 
NET "wr_input"  LOC = "P134"  ; 

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE