A.IF=0,INTR=0 B.IF=0,INTR=1 C.IF=1,INTR=0 D.IF=1,INTR=1
A.把并行數(shù)據(jù)轉(zhuǎn)換成串行數(shù)據(jù) B.把串行數(shù)據(jù)轉(zhuǎn)換成并行數(shù)據(jù) C.把數(shù)字信號轉(zhuǎn)換成模擬信號 D.把模擬信號轉(zhuǎn)換成數(shù)字信號
A.84H B.7BH C.00H D.48H