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单片机复位后,SP、PC、I/O口的内容为( )A.SP = 07H PC = 00H P0 = P1 = P2 = P3 = FFHB.SP = 00H PC = 0000H P0 = P1 = P2 = P3 = 00HC.SP = 07H PC = 0000H P0 = P1 = P2 = P3 = FFHD.SP = 00H PC = 00H P0 = P1 = P2 = P3 = 00H

题目
单片机复位后,SP、PC、I/O口的内容为( )

A.SP = 07H 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


相似考题
更多“单片机复位后,SP、PC、I/O口的内容为( ) ”相关问题
  • 第1题:

    AT89S52单片机复位时,堆栈指针SP中的内容为 ,程序指针PC中的内容为


    07H0000H

  • 第2题:

    单片机复位后,SP、PC、I/O口(P0、P1、P2、P3)的内容为()

    A.SP = 00H PC = 1000H I/O口= FFH

    B.SP = 00H PC = 0000H I/O口= 00H

    C.SP = 07H PC = 0000H I/O口= FFH

    D.SP = 07H PC = 0000H I/O口= 00H


    SP = 07H PC = 0000H I/O口= FFH

  • 第3题:

    判断:单片机复位后, I/O口的内容分别为0xff,是否正确。


    0XFF

  • 第4题:

    51单片机复位后,PC与P口(I/O)的值为()。

    A.0000H, 00H

    B.0000H, FFH

    C.0003H, FFH

    D.0003H, 00H


    0000H, FFH

  • 第5题:

    20、MCS-51单片机复位后,PC,SP,ACC以及P0口的内容错误的是()?

    A.PC=0000H

    B.SP=08H

    C.ACC=01H

    D.P0=0FFH


    00H;07H;FFH