MICROPROCESSOR AND MICROCONTROLLER

8051 MICROCONTROLLER

ARCHITECTURE OF 8085

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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?
A
ALE
B
PSEN
C
RD &WR
D
ALL the above
Explanation: 

Detailed explanation-1: -These signals are known as External Access (EA), Program Store Enable (PSEN), and Address Latch Enable (ALE) are used for external memory interfacing.

Detailed explanation-2: -CHIP RAM ( Random Access Memory ) controls and handles the operation of several peripherals by assigning them in the category of special functions registers .

Detailed explanation-3: -Semiconductor. Amplifier. Transistor. Capacitance. Ultrasonics. Electrostatics. Amplitudes. Electric Potential.

There is 1 question to complete.