Effect of switching the pins of port '0' & port'2' to internal ADDR & DATA buses

Q.  What happens when the pins of port 0 & port 2 are switched to internal ADDR and ADDR / DATA bus respectively while accessing an external memory?
- Published on 09 Nov 15

a. Ports cannot be used as general-purpose Inputs/Outputs
b. Ports start sinking more current than sourcing
c. Ports cannot be further used as high impedance input
d. All of the above

ANSWER: Ports cannot be used as general-purpose Inputs/Outputs

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