A.INDXB.INITC.FINALD.EN
A.首次掃描時,計數(shù)器位為OFF,當前值為0B.對計數(shù)器復(fù)位后,計數(shù)器位OFF,當前值為0C.CD輸入端的每個上升沿計數(shù)器計數(shù)一次D.減計數(shù)器的復(fù)位端為R
A.255B.32767C.32768D.65535