ENTITY slowCLK IS 
                GENERIC( FREQUENCY : INTEGER RANGE 0 TO 12587500 := 12587500); 
                PORT ( clockIN  : IN  BIT ; 
                           clockOUT : OUT BIT); 
          END SLOWCLK; 

          ARCHITECTURE behavioral OF slowCLK IS 
                 SIGNAL PULSE : BIT := '0'; 
          BEGIN 
              PROCESS (clockIN) 
                  VARIABLE Counter : INTEGER RANGE 0 TO 25175000 := 25175000/(FREQUENCY*2); 
              BEGIN 
                    IF (clockIN'EVENT AND clockIN='1') THEN 
                          Counter := Counter - 1; 
                          IF (Counter = 0) THEN 
                                IF PULSE = '1' THEN 
                                     PULSE <= '0'; 
                                ELSE PULSE <= '1';    END IF; 
                                Counter := 25175000/(FREQUENCY*2); 
                         END IF; 
                   END IF; 
              END PROCESS; 
              clockOUT <= PULSE; 
          END behavioral;