A.00110010B B.CFH C.10110010B D.CEH
A.TCON B.PCON C.SCON D.IP
A.送入初值時(shí)B.啟動(dòng)定時(shí)/計(jì)數(shù)時(shí)C.定時(shí)/計(jì)數(shù)停止時(shí)D.計(jì)數(shù)值滿量程時(shí)