step_motor_degree_forward_reverse_lcdcf.ucf

將正在順時針或逆時針旋轉的步進馬達目前角度顯示在ＬＣＭ上。

#*******************************************************************
#*   STEP_MOTOR_DEGREE_FORWARD_REVERSE_LCD.VHD'S Constraint File   *
#*      Filename : STEP_MOTOR_DEGREE_FORWARD_REVERSE_LCDCF.ucf     *
#*******************************************************************

TIMESPEC "TS_CLK"        = PERIOD "CLK" 25 ns HIGH 50 %;
NET "CLK" TNM_NET        = "CLK";
NET "CLK"            LOC = "P80";
NET "RESET"          LOC = "P180";
NET "DIRECTION"      LOC = "P146";  
NET "LCM_EN"         LOC = "P192";
NET "LCM_RS"         LOC = "P189";
NET "LCM_RW"         LOC = "P191";
NET "LCM_DATA<0>"    LOC = "P193";
NET "LCM_DATA<1>"    LOC = "P194";
NET "LCM_DATA<2>"    LOC = "P195";
NET "LCM_DATA<3>"    LOC = "P199";
NET "LCM_DATA<4>"    LOC = "P200";
NET "LCM_DATA<5>"    LOC = "P201";
NET "LCM_DATA<6>"    LOC = "P202";
NET "LCM_DATA<7>"    LOC = "P203";
NET "TRIGGER<0>"     LOC = "P22";
NET "TRIGGER<1>"     LOC = "P21";
NET "TRIGGER<2>"     LOC = "P20";
NET "TRIGGER<3>"     LOC = "P18";