8051 microcontroller - Timing & control unit function

Q.  Which control signal/s is/are generated by timing and control unit of 8051 microcontroller in order to access the off-chip devices apart from the internal timings?
- Published on 06 Nov 15

a. ALE
b. PSEN
c. RD & WR
d. All of the above

ANSWER: All of the above

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