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Chapter 1 of 12 • Page 1 of 248🔒 Protected PDF • Watermarked
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ElectricalMicroprocessor
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The function of PSEN pin in 8051 is for

A

Reading signal from internal memory

B

Read a signal from external memory

C

Transmit data from internal memory

D

None of the above

Related Questions

ElectricalMicroprocessor
 How many pins of the 8255 can be used as the I/O ports?
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 Why MOVX instruction is being used to access the ports of the 8255?
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 Which pins are used to select the ports and the control register?
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 Which pins of a microcontroller are directly connected with 8255?
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 The 8255 is a ______ chip.

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