When the timer T0 sends an interrupt request, the interrupt response condition is().
A. SETB ET0
B. SETB EX0
C. MOV IE,
D. 82H
E. MOV IE,
F. 61H
查看答案
When the CPU responds to the interrupt request of timer T1, the content of program counter PC is ().
A. 0003H
B. 000BH
C. 00013H
D. 001BH
The instruction of MCS-51 MCU CPU on / off is.
A. SETB EA
B. SETB ES
CLR EA
D. SETB EX0
MCS-51 single chip microcomputer external interrupt 0, interrupt command is ().
A. SETB ETO
B. SETB EXO
CLR ETO
D. SETB ET1
The trigger mode selection bits of external interrupt 1 and external interrupt 0 of MCS-51 single chip microcomputer are ().
A. Tr1 and tr0
B. IE1 and ie0
C. It1 and it0
D. TF1 and TF0