數(shù)據(jù)驅(qū)動、堅持為客戶提供有價值的服務(wù)和內(nèi)容
一、選擇題
1.單片機復(fù)位后,SP PC I/O口的內(nèi)容為A.SP = 60H PC = 00H P0 = P1 = P2 = P3 = FFH
B.SP = 00H PC = 0000H P0 = P1 = P2 = P3 = 00H
C.SP = 07H PC = 0000H P0 = P1 = P2 = P3 = FFH
D.SP = 00H PC = 00H P0 = P1 = P2 = P3 = 00H
答案:1.C