freque.ucf

本实例是学习fpga的入门程序 希望大家喜欢

NET "CLK" TNM_NET = "CLK";
TIMESPEC "TS_CLK" = PERIOD "CLK" 20 ns HIGH 50 %;
#PACE: Start of Constraints generated by PACE

#PACE: Start of PACE I/O Pin Assignments
NET "CLK"  LOC = "p76"  ;
NET "FREQUECEIN"  LOC = "p90"  ;
NET "HC_CP"  LOC = "p97"  ;
NET "HC_SI"  LOC = "p96"  ;
NET "RST_N"  LOC = "p78"  ;

#PACE: Start of PACE Area Constraints

#PACE: Start of PACE Prohibit Constraints

#PACE: End of Constraints generated by PACE