If MBYTES input is high, then the pin serves as
A. AEN
B. CEN
C. AEN and CEN
D. none of the mentioned
Answer:A
If MBYTES input is high, then the pin serves as
A. AEN B. CEN C. AEN and CEN D. none of the mentioned
Explanation: The MBYTES input selects the function of AEN/CEN pin. If MBYTES is high, the pin serves as AEN, else it serves as CEN. The CEN pin is used for selecting one of the available 82288s.