Which of the following is not one of the SFR addresses of the ports of 8051?
A. 80H
B. 90H
C. A0H
D. NONE
Answer:A
Which of the following is not one of the SFR addresses of the ports of 8051?
A. 80H B. 90H C. A0H D. NONE
Explanation: The SFR addresses of the ports P0, P1, P2 and P3 are 80H, 90H, A0H and B0H respectively.