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

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


相关考题:

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=FFHB.P=00H;PC=0000H;I/O 口=00HC.SP=07H;PC=0000H;I/O 口=FFHD.SP=07H;PC=0000H;I/O 口=00H

判断:单片机复位后, I/O口的内容分别为0xff,是否正确。请填写正确或者错误来作答。

AT89S51/AT89S52单片机复位时,堆栈指针SP中的内容为(),程序指针PC的内容为()。(2分)

3、51单片机复位后,PC与P口(I/O)的值为()。A.0000H, 00HB.0000H, FFHC.0003H, FFHD.0003H, 00H

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

51单片机复位后,PC与P口(I/O)的值为()。A.0000H, 00HB.0000H, FFHC.0003H, FFHD.0003H, 00H

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= FFHB.SP = 00H PC = 0000H I/O口= 00HC.SP = 07H PC = 0000H I/O口= FFHD.SP = 07H PC = 0000H I/O口= 00H

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=0000HB.SP=08HC.ACC=01HD.P0=0FFH

判断:单片机复位后, I/O口的内容分别为0xff,是否正确。