Question: Can P2 be used as data input output when EA 0 is made in 8051( when using external memory)? Or when EA is made 0

Can P2 be used as data input output when EA 0 is made in 8051( when using external memory)? Or when EA is made 0 what happens to P2? Can you please explain?

What happens to P2 when EA is 0 in 8051 microprocessor? Dont you think it is a net question?

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