A.OUT 60H,AL B.OUT 61H,AL C.OUT 62H,AL D.OUT 63H,AL
A.6個(gè)16位計(jì)數(shù)通道 B.3個(gè)16位計(jì)數(shù)通道 C.6個(gè)8位計(jì)數(shù)通道 D.3個(gè)8位計(jì)數(shù)通道
A.3B.4C.5D.6