Question: undefined 8051 Keypad 0 1 2 3 P. P. 4 5 6 7 mo 8 9 B P P D F P.P.P.P. f the content

undefined 8051 Keypad 0 1 2 3 P. P. 4 5 6 undefined

8051 Keypad 0 1 2 3 P. P. 4 5 6 7 mo 8 9 B P P D F P.P.P.P. f the content of register A after executing the code sequence below is equal to OFEH, Which key is being pressed? Assume a keypad is connected to 8051 as shown HOV PO, FOFFH HOY PI ROBH MOV A, PO

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